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Finding the Fourth Proportional to 592,927.20, 889,520.40 and 293,551.20

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Solution

The fourth proportional to 592,927.20, 889,520.40 and 293,551.20 is: 440,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,927.20 : 889,520.40 = 293,551.20 : x
  2. Step 2: Convert to fraction form
    592,927.20/889,520.40 = 293,551.20/x
  3. Step 3: Cross multiply
    592,927.20x = 889,520.40 × 293,551.20
  4. Step 4: Simplify right side
    592,927.20x = 261,119,780,844.48
  5. Step 5: Solve for x
    x = 261,119,780,844.48/592,927.20
  6. Step 6: Final answer
    x = 440,390.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.