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Finding the Fourth Proportional to 502,909.48, 754,341.54 and 147,935.08

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Solution

The fourth proportional to 502,909.48, 754,341.54 and 147,935.08 is: 221,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,909.48 : 754,341.54 = 147,935.08 : x
  2. Step 2: Convert to fraction form
    502,909.48/754,341.54 = 147,935.08/x
  3. Step 3: Cross multiply
    502,909.48x = 754,341.54 × 147,935.08
  4. Step 4: Simplify right side
    502,909.48x = 111,593,576,067.22
  5. Step 5: Solve for x
    x = 111,593,576,067.22/502,909.48
  6. Step 6: Final answer
    x = 221,895.95

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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.