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Finding the Fourth Proportional to 502,688.00, 754,025.42 and 123,612.01

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Solution

The fourth proportional to 502,688.00, 754,025.42 and 123,612.01 is: 185,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,688.00 : 754,025.42 = 123,612.01 : x
  2. Step 2: Convert to fraction form
    502,688.00/754,025.42 = 123,612.01/x
  3. Step 3: Cross multiply
    502,688.00x = 754,025.42 × 123,612.01
  4. Step 4: Simplify right side
    502,688.00x = 93,206,596,181.26
  5. Step 5: Solve for x
    x = 93,206,596,181.26/502,688.00
  6. Step 6: Final answer
    x = 185,416.39

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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.