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Finding the Fourth Proportional to 502,159.45, 753,280.15 and 235,774.66

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Solution

The fourth proportional to 502,159.45, 753,280.15 and 235,774.66 is: 353,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,159.45 : 753,280.15 = 235,774.66 : x
  2. Step 2: Convert to fraction form
    502,159.45/753,280.15 = 235,774.66/x
  3. Step 3: Cross multiply
    502,159.45x = 753,280.15 × 235,774.66
  4. Step 4: Simplify right side
    502,159.45x = 177,604,371,251.00
  5. Step 5: Solve for x
    x = 177,604,371,251.00/502,159.45
  6. Step 6: Final answer
    x = 353,681.23

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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.