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Finding the Fourth Proportional to 632,535.77, 872,909.20 and 346,060.64

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Solution

The fourth proportional to 632,535.77, 872,909.20 and 346,060.64 is: 477,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,535.77 : 872,909.20 = 346,060.64 : x
  2. Step 2: Convert to fraction form
    632,535.77/872,909.20 = 346,060.64/x
  3. Step 3: Cross multiply
    632,535.77x = 872,909.20 × 346,060.64
  4. Step 4: Simplify right side
    632,535.77x = 302,079,510,319.04
  5. Step 5: Solve for x
    x = 302,079,510,319.04/632,535.77
  6. Step 6: Final answer
    x = 477,569.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.