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Finding the Fourth Proportional to 441,617.60, 661,648.80 and 362,302.40

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Solution

The fourth proportional to 441,617.60, 661,648.80 and 362,302.40 is: 542,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,617.60 : 661,648.80 = 362,302.40 : x
  2. Step 2: Convert to fraction form
    441,617.60/661,648.80 = 362,302.40/x
  3. Step 3: Cross multiply
    441,617.60x = 661,648.80 × 362,302.40
  4. Step 4: Simplify right side
    441,617.60x = 239,716,948,197.12
  5. Step 5: Solve for x
    x = 239,716,948,197.12/441,617.60
  6. Step 6: Final answer
    x = 542,815.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.