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Finding the Fourth Proportional to 632,283.86, 872,691.85 and 436,325.38

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Solution

The fourth proportional to 632,283.86, 872,691.85 and 436,325.38 is: 602,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,283.86 : 872,691.85 = 436,325.38 : x
  2. Step 2: Convert to fraction form
    632,283.86/872,691.85 = 436,325.38/x
  3. Step 3: Cross multiply
    632,283.86x = 872,691.85 × 436,325.38
  4. Step 4: Simplify right side
    632,283.86x = 380,777,601,437.83
  5. Step 5: Solve for x
    x = 380,777,601,437.83/632,283.86
  6. Step 6: Final answer
    x = 602,225.72

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Double scale
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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.