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Finding the Fourth Proportional to 502,881.85, 754,322.82 and 147,898.90

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Solution

The fourth proportional to 502,881.85, 754,322.82 and 147,898.90 is: 221,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,881.85 : 754,322.82 = 147,898.90 : x
  2. Step 2: Convert to fraction form
    502,881.85/754,322.82 = 147,898.90/x
  3. Step 3: Cross multiply
    502,881.85x = 754,322.82 × 147,898.90
  4. Step 4: Simplify right side
    502,881.85x = 111,563,515,322.90
  5. Step 5: Solve for x
    x = 111,563,515,322.90/502,881.85
  6. Step 6: Final answer
    x = 221,848.36

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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.