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Finding the Fourth Proportional to 474,937.54, 655,394.11 and 260,073.90

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Solution

The fourth proportional to 474,937.54, 655,394.11 and 260,073.90 is: 358,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,937.54 : 655,394.11 = 260,073.90 : x
  2. Step 2: Convert to fraction form
    474,937.54/655,394.11 = 260,073.90/x
  3. Step 3: Cross multiply
    474,937.54x = 655,394.11 × 260,073.90
  4. Step 4: Simplify right side
    474,937.54x = 170,450,901,574.54
  5. Step 5: Solve for x
    x = 170,450,901,574.54/474,937.54
  6. Step 6: Final answer
    x = 358,891.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.