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Finding the Fourth Proportional to 632,022.97, 872,191.80 and 345,543.13

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Solution

The fourth proportional to 632,022.97, 872,191.80 and 345,543.13 is: 476,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,022.97 : 872,191.80 = 345,543.13 : x
  2. Step 2: Convert to fraction form
    632,022.97/872,191.80 = 345,543.13/x
  3. Step 3: Cross multiply
    632,022.97x = 872,191.80 × 345,543.13
  4. Step 4: Simplify right side
    632,022.97x = 301,379,884,532.33
  5. Step 5: Solve for x
    x = 301,379,884,532.33/632,022.97
  6. Step 6: Final answer
    x = 476,849.57

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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.