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Finding the Fourth Proportional to 502,111.51, 753,173.36 and 147,132.73

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Solution

The fourth proportional to 502,111.51, 753,173.36 and 147,132.73 is: 220,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,111.51 : 753,173.36 = 147,132.73 : x
  2. Step 2: Convert to fraction form
    502,111.51/753,173.36 = 147,132.73/x
  3. Step 3: Cross multiply
    502,111.51x = 753,173.36 × 147,132.73
  4. Step 4: Simplify right side
    502,111.51x = 110,816,452,620.07
  5. Step 5: Solve for x
    x = 110,816,452,620.07/502,111.51
  6. Step 6: Final answer
    x = 220,700.88

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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.