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Finding the Fourth Proportional to 535,428.72, 801,564.96 and 468,998.64

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Solution

The fourth proportional to 535,428.72, 801,564.96 and 468,998.64 is: 702,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,428.72 : 801,564.96 = 468,998.64 : x
  2. Step 2: Convert to fraction form
    535,428.72/801,564.96 = 468,998.64/x
  3. Step 3: Cross multiply
    535,428.72x = 801,564.96 × 468,998.64
  4. Step 4: Simplify right side
    535,428.72x = 375,932,876,111.65
  5. Step 5: Solve for x
    x = 375,932,876,111.65/535,428.72
  6. Step 6: Final answer
    x = 702,115.64

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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.