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Finding the Fourth Proportional to 502,901.70, 754,848.28 and 369,407.22

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Solution

The fourth proportional to 502,901.70, 754,848.28 and 369,407.22 is: 554,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,901.70 : 754,848.28 = 369,407.22 : x
  2. Step 2: Convert to fraction form
    502,901.70/754,848.28 = 369,407.22/x
  3. Step 3: Cross multiply
    502,901.70x = 754,848.28 × 369,407.22
  4. Step 4: Simplify right side
    502,901.70x = 278,846,404,636.58
  5. Step 5: Solve for x
    x = 278,846,404,636.58/502,901.70
  6. Step 6: Final answer
    x = 554,474.97

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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.