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Finding the Fourth Proportional to 363,710.40, 544,140 and 239,294.40

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Solution

The fourth proportional to 363,710.40, 544,140 and 239,294.40 is: 358,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,710.40 : 544,140 = 239,294.40 : x
  2. Step 2: Convert to fraction form
    363,710.40/544,140 = 239,294.40/x
  3. Step 3: Cross multiply
    363,710.40x = 544,140 × 239,294.40
  4. Step 4: Simplify right side
    363,710.40x = 130,209,654,816
  5. Step 5: Solve for x
    x = 130,209,654,816/363,710.40
  6. Step 6: Final answer
    x = 358,003.66

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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.