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Finding the Fourth Proportional to 335,888.76, 503,833.12 and 99,397.50

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Solution

The fourth proportional to 335,888.76, 503,833.12 and 99,397.50 is: 149,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,888.76 : 503,833.12 = 99,397.50 : x
  2. Step 2: Convert to fraction form
    335,888.76/503,833.12 = 99,397.50/x
  3. Step 3: Cross multiply
    335,888.76x = 503,833.12 × 99,397.50
  4. Step 4: Simplify right side
    335,888.76x = 50,079,752,545.20
  5. Step 5: Solve for x
    x = 50,079,752,545.20/335,888.76
  6. Step 6: Final answer
    x = 149,096.24

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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.