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Finding the Fourth Proportional to 472,504.48, 708,535.06 and 172,775.45

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Solution

The fourth proportional to 472,504.48, 708,535.06 and 172,775.45 is: 259,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,504.48 : 708,535.06 = 172,775.45 : x
  2. Step 2: Convert to fraction form
    472,504.48/708,535.06 = 172,775.45/x
  3. Step 3: Cross multiply
    472,504.48x = 708,535.06 × 172,775.45
  4. Step 4: Simplify right side
    472,504.48x = 122,417,465,171.68
  5. Step 5: Solve for x
    x = 122,417,465,171.68/472,504.48
  6. Step 6: Final answer
    x = 259,082.13

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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.