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Finding the Fourth Proportional to 499,087.92, 748,521.84 and 144,024.80

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Solution

The fourth proportional to 499,087.92, 748,521.84 and 144,024.80 is: 216,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,087.92 : 748,521.84 = 144,024.80 : x
  2. Step 2: Convert to fraction form
    499,087.92/748,521.84 = 144,024.80/x
  3. Step 3: Cross multiply
    499,087.92x = 748,521.84 × 144,024.80
  4. Step 4: Simplify right side
    499,087.92x = 107,805,708,301.63
  5. Step 5: Solve for x
    x = 107,805,708,301.63/499,087.92
  6. Step 6: Final answer
    x = 216,005.45

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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.