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Finding the Fourth Proportional to 475,369.71, 656,010.20 and 260,514.73

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Solution

The fourth proportional to 475,369.71, 656,010.20 and 260,514.73 is: 359,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,369.71 : 656,010.20 = 260,514.73 : x
  2. Step 2: Convert to fraction form
    475,369.71/656,010.20 = 260,514.73/x
  3. Step 3: Cross multiply
    475,369.71x = 656,010.20 × 260,514.73
  4. Step 4: Simplify right side
    475,369.71x = 170,900,320,130.25
  5. Step 5: Solve for x
    x = 170,900,320,130.25/475,369.71
  6. Step 6: Final answer
    x = 359,510.33

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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.