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Finding the Fourth Proportional to 592,870.20, 889,305.30 and 508,889.40

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Solution

The fourth proportional to 592,870.20, 889,305.30 and 508,889.40 is: 763,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,870.20 : 889,305.30 = 508,889.40 : x
  2. Step 2: Convert to fraction form
    592,870.20/889,305.30 = 508,889.40/x
  3. Step 3: Cross multiply
    592,870.20x = 889,305.30 × 508,889.40
  4. Step 4: Simplify right side
    592,870.20x = 452,558,040,533.82
  5. Step 5: Solve for x
    x = 452,558,040,533.82/592,870.20
  6. Step 6: Final answer
    x = 763,334.10

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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.