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Finding the Fourth Proportional to 502,900.20, 754,277.40 and 147,877.20

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Solution

The fourth proportional to 502,900.20, 754,277.40 and 147,877.20 is: 221,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,900.20 : 754,277.40 = 147,877.20 : x
  2. Step 2: Convert to fraction form
    502,900.20/754,277.40 = 147,877.20/x
  3. Step 3: Cross multiply
    502,900.20x = 754,277.40 × 147,877.20
  4. Step 4: Simplify right side
    502,900.20x = 111,540,429,935.28
  5. Step 5: Solve for x
    x = 111,540,429,935.28/502,900.20
  6. Step 6: Final answer
    x = 221,794.36

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1.5x scale

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.