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Finding the Fourth Proportional to 475,156.69, 655,732.54 and 260,296.70

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Solution

The fourth proportional to 475,156.69, 655,732.54 and 260,296.70 is: 359,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,156.69 : 655,732.54 = 260,296.70 : x
  2. Step 2: Convert to fraction form
    475,156.69/655,732.54 = 260,296.70/x
  3. Step 3: Cross multiply
    475,156.69x = 655,732.54 × 260,296.70
  4. Step 4: Simplify right side
    475,156.69x = 170,685,013,616.70
  5. Step 5: Solve for x
    x = 170,685,013,616.70/475,156.69
  6. Step 6: Final answer
    x = 359,218.38

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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.