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Finding the Fourth Proportional to 632,007.14, 872,169.80 and 345,527.15

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Solution

The fourth proportional to 632,007.14, 872,169.80 and 345,527.15 is: 476,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,007.14 : 872,169.80 = 345,527.15 : x
  2. Step 2: Convert to fraction form
    632,007.14/872,169.80 = 345,527.15/x
  3. Step 3: Cross multiply
    632,007.14x = 872,169.80 × 345,527.15
  4. Step 4: Simplify right side
    632,007.14x = 301,358,339,221.59
  5. Step 5: Solve for x
    x = 301,358,339,221.59/632,007.14
  6. Step 6: Final answer
    x = 476,827.43

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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.