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Finding the Fourth Proportional to 475,175.50, 655,714.62 and 260,278.14

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Solution

The fourth proportional to 475,175.50, 655,714.62 and 260,278.14 is: 359,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,175.50 : 655,714.62 = 260,278.14 : x
  2. Step 2: Convert to fraction form
    475,175.50/655,714.62 = 260,278.14/x
  3. Step 3: Cross multiply
    475,175.50x = 655,714.62 × 260,278.14
  4. Step 4: Simplify right side
    475,175.50x = 170,668,181,664.41
  5. Step 5: Solve for x
    x = 170,668,181,664.41/475,175.50
  6. Step 6: Final answer
    x = 359,168.73

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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.