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Finding the Fourth Proportional to 502,547.31, 753,913.31 and 165,607.83

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Solution

The fourth proportional to 502,547.31, 753,913.31 and 165,607.83 is: 248,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,547.31 : 753,913.31 = 165,607.83 : x
  2. Step 2: Convert to fraction form
    502,547.31/753,913.31 = 165,607.83/x
  3. Step 3: Cross multiply
    502,547.31x = 753,913.31 × 165,607.83
  4. Step 4: Simplify right side
    502,547.31x = 124,853,946,449.18
  5. Step 5: Solve for x
    x = 124,853,946,449.18/502,547.31
  6. Step 6: Final answer
    x = 248,442.17

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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.