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Finding the Fourth Proportional to 477,041.59, 715,561.17 and 122,055.04

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Solution

The fourth proportional to 477,041.59, 715,561.17 and 122,055.04 is: 183,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,041.59 : 715,561.17 = 122,055.04 : x
  2. Step 2: Convert to fraction form
    477,041.59/715,561.17 = 122,055.04/x
  3. Step 3: Cross multiply
    477,041.59x = 715,561.17 × 122,055.04
  4. Step 4: Simplify right side
    477,041.59x = 87,337,847,226.80
  5. Step 5: Solve for x
    x = 87,337,847,226.80/477,041.59
  6. Step 6: Final answer
    x = 183,082.25

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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.