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Finding the Fourth Proportional to 502,290.72, 753,805.44 and 369,534.96

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Solution

The fourth proportional to 502,290.72, 753,805.44 and 369,534.96 is: 554,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,290.72 : 753,805.44 = 369,534.96 : x
  2. Step 2: Convert to fraction form
    502,290.72/753,805.44 = 369,534.96/x
  3. Step 3: Cross multiply
    502,290.72x = 753,805.44 × 369,534.96
  4. Step 4: Simplify right side
    502,290.72x = 278,557,463,118.18
  5. Step 5: Solve for x
    x = 278,557,463,118.18/502,290.72
  6. Step 6: Final answer
    x = 554,574.18

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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.