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Finding the Fourth Proportional to 502,952.40, 754,342.20 and 187,246.80

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Solution

The fourth proportional to 502,952.40, 754,342.20 and 187,246.80 is: 280,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,952.40 : 754,342.20 = 187,246.80 : x
  2. Step 2: Convert to fraction form
    502,952.40/754,342.20 = 187,246.80/x
  3. Step 3: Cross multiply
    502,952.40x = 754,342.20 × 187,246.80
  4. Step 4: Simplify right side
    502,952.40x = 141,248,163,054.96
  5. Step 5: Solve for x
    x = 141,248,163,054.96/502,952.40
  6. Step 6: Final answer
    x = 280,838.03

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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.