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Finding the Fourth Proportional to 632,007.77, 872,179.25 and 345,527.17

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Solution

The fourth proportional to 632,007.77, 872,179.25 and 345,527.17 is: 476,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,007.77 : 872,179.25 = 345,527.17 : x
  2. Step 2: Convert to fraction form
    632,007.77/872,179.25 = 345,527.17/x
  3. Step 3: Cross multiply
    632,007.77x = 872,179.25 × 345,527.17
  4. Step 4: Simplify right side
    632,007.77x = 301,361,624,077.14
  5. Step 5: Solve for x
    x = 301,361,624,077.14/632,007.77
  6. Step 6: Final answer
    x = 476,832.15

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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.