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Finding the Fourth Proportional to 619,803.80, 929,705.70 and 596,184.20

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Solution

The fourth proportional to 619,803.80, 929,705.70 and 596,184.20 is: 894,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,803.80 : 929,705.70 = 596,184.20 : x
  2. Step 2: Convert to fraction form
    619,803.80/929,705.70 = 596,184.20/x
  3. Step 3: Cross multiply
    619,803.80x = 929,705.70 × 596,184.20
  4. Step 4: Simplify right side
    619,803.80x = 554,275,848,989.94
  5. Step 5: Solve for x
    x = 554,275,848,989.94/619,803.80
  6. Step 6: Final answer
    x = 894,276.30

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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.