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Finding the Fourth Proportional to 502,842.80, 754,264.20 and 334,881.20

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Solution

The fourth proportional to 502,842.80, 754,264.20 and 334,881.20 is: 502,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,842.80 : 754,264.20 = 334,881.20 : x
  2. Step 2: Convert to fraction form
    502,842.80/754,264.20 = 334,881.20/x
  3. Step 3: Cross multiply
    502,842.80x = 754,264.20 × 334,881.20
  4. Step 4: Simplify right side
    502,842.80x = 252,588,900,413.04
  5. Step 5: Solve for x
    x = 252,588,900,413.04/502,842.80
  6. Step 6: Final answer
    x = 502,321.80

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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.