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Finding the Fourth Proportional to 474,535.80, 654,868.80 and 259,675.20

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Solution

The fourth proportional to 474,535.80, 654,868.80 and 259,675.20 is: 358,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,535.80 : 654,868.80 = 259,675.20 : x
  2. Step 2: Convert to fraction form
    474,535.80/654,868.80 = 259,675.20/x
  3. Step 3: Cross multiply
    474,535.80x = 654,868.80 × 259,675.20
  4. Step 4: Simplify right side
    474,535.80x = 170,053,186,613.76
  5. Step 5: Solve for x
    x = 170,053,186,613.76/474,535.80
  6. Step 6: Final answer
    x = 358,356.92

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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.