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Finding the Fourth Proportional to 475,195.98, 655,770.42 and 260,343.66

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Solution

The fourth proportional to 475,195.98, 655,770.42 and 260,343.66 is: 359,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,195.98 : 655,770.42 = 260,343.66 : x
  2. Step 2: Convert to fraction form
    475,195.98/655,770.42 = 260,343.66/x
  3. Step 3: Cross multiply
    475,195.98x = 655,770.42 × 260,343.66
  4. Step 4: Simplify right side
    475,195.98x = 170,725,671,262.54
  5. Step 5: Solve for x
    x = 170,725,671,262.54/475,195.98
  6. Step 6: Final answer
    x = 359,274.23

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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.