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Finding the Fourth Proportional to 477,618.23, 715,836.85 and 241,028.57

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Solution

The fourth proportional to 477,618.23, 715,836.85 and 241,028.57 is: 361,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,618.23 : 715,836.85 = 241,028.57 : x
  2. Step 2: Convert to fraction form
    477,618.23/715,836.85 = 241,028.57/x
  3. Step 3: Cross multiply
    477,618.23x = 715,836.85 × 241,028.57
  4. Step 4: Simplify right side
    477,618.23x = 172,537,132,308.81
  5. Step 5: Solve for x
    x = 172,537,132,308.81/477,618.23
  6. Step 6: Final answer
    x = 361,244.86

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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.