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Finding the Fourth Proportional to 461,753.10, 693,148.05 and 357,036.30

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Solution

The fourth proportional to 461,753.10, 693,148.05 and 357,036.30 is: 535,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,753.10 : 693,148.05 = 357,036.30 : x
  2. Step 2: Convert to fraction form
    461,753.10/693,148.05 = 357,036.30/x
  3. Step 3: Cross multiply
    461,753.10x = 693,148.05 × 357,036.30
  4. Step 4: Simplify right side
    461,753.10x = 247,479,015,124.22
  5. Step 5: Solve for x
    x = 247,479,015,124.22/461,753.10
  6. Step 6: Final answer
    x = 535,955.29

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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.