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Finding the Fourth Proportional to 475,175.14, 655,758.09 and 260,315.15

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Solution

The fourth proportional to 475,175.14, 655,758.09 and 260,315.15 is: 359,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,175.14 : 655,758.09 = 260,315.15 : x
  2. Step 2: Convert to fraction form
    475,175.14/655,758.09 = 260,315.15/x
  3. Step 3: Cross multiply
    475,175.14x = 655,758.09 × 260,315.15
  4. Step 4: Simplify right side
    475,175.14x = 170,703,762,283.27
  5. Step 5: Solve for x
    x = 170,703,762,283.27/475,175.14
  6. Step 6: Final answer
    x = 359,243.88

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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.