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Finding the Fourth Proportional to 475,149.11, 655,706.54 and 260,284.46

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Solution

The fourth proportional to 475,149.11, 655,706.54 and 260,284.46 is: 359,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,149.11 : 655,706.54 = 260,284.46 : x
  2. Step 2: Convert to fraction form
    475,149.11/655,706.54 = 260,284.46/x
  3. Step 3: Cross multiply
    475,149.11x = 655,706.54 × 260,284.46
  4. Step 4: Simplify right side
    475,149.11x = 170,670,220,054.55
  5. Step 5: Solve for x
    x = 170,670,220,054.55/475,149.11
  6. Step 6: Final answer
    x = 359,192.97

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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.