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Finding the Fourth Proportional to 502,681.06, 754,141.83 and 147,687.22

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Solution

The fourth proportional to 502,681.06, 754,141.83 and 147,687.22 is: 221,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,681.06 : 754,141.83 = 147,687.22 : x
  2. Step 2: Convert to fraction form
    502,681.06/754,141.83 = 147,687.22/x
  3. Step 3: Cross multiply
    502,681.06x = 754,141.83 × 147,687.22
  4. Step 4: Simplify right side
    502,681.06x = 111,377,110,358.41
  5. Step 5: Solve for x
    x = 111,377,110,358.41/502,681.06
  6. Step 6: Final answer
    x = 221,566.16

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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.