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Finding the Fourth Proportional to 475,228.88, 655,815.84 and 260,377.08

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Solution

The fourth proportional to 475,228.88, 655,815.84 and 260,377.08 is: 359,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.88 : 655,815.84 = 260,377.08 : x
  2. Step 2: Convert to fraction form
    475,228.88/655,815.84 = 260,377.08/x
  3. Step 3: Cross multiply
    475,228.88x = 655,815.84 × 260,377.08
  4. Step 4: Simplify right side
    475,228.88x = 170,759,413,436.95
  5. Step 5: Solve for x
    x = 170,759,413,436.95/475,228.88
  6. Step 6: Final answer
    x = 359,320.36

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1.5x scale

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.