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Finding the Fourth Proportional to 335,306.25, 502,860.96 and 98,592.66

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Solution

The fourth proportional to 335,306.25, 502,860.96 and 98,592.66 is: 147,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,306.25 : 502,860.96 = 98,592.66 : x
  2. Step 2: Convert to fraction form
    335,306.25/502,860.96 = 98,592.66/x
  3. Step 3: Cross multiply
    335,306.25x = 502,860.96 × 98,592.66
  4. Step 4: Simplify right side
    335,306.25x = 49,578,399,656.55
  5. Step 5: Solve for x
    x = 49,578,399,656.55/335,306.25
  6. Step 6: Final answer
    x = 147,860.05

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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.