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Finding the Fourth Proportional to 577,430.10, 866,145.15 and 178,035.30

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Solution

The fourth proportional to 577,430.10, 866,145.15 and 178,035.30 is: 267,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,430.10 : 866,145.15 = 178,035.30 : x
  2. Step 2: Convert to fraction form
    577,430.10/866,145.15 = 178,035.30/x
  3. Step 3: Cross multiply
    577,430.10x = 866,145.15 × 178,035.30
  4. Step 4: Simplify right side
    577,430.10x = 154,204,411,623.80
  5. Step 5: Solve for x
    x = 154,204,411,623.80/577,430.10
  6. Step 6: Final answer
    x = 267,052.95

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Double scale
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Similar ratio
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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.