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Finding the Fourth Proportional to 441,733.60, 662,686.80 and 189,013.60

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Solution

The fourth proportional to 441,733.60, 662,686.80 and 189,013.60 is: 283,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,733.60 : 662,686.80 = 189,013.60 : x
  2. Step 2: Convert to fraction form
    441,733.60/662,686.80 = 189,013.60/x
  3. Step 3: Cross multiply
    441,733.60x = 662,686.80 × 189,013.60
  4. Step 4: Simplify right side
    441,733.60x = 125,256,817,740.48
  5. Step 5: Solve for x
    x = 125,256,817,740.48/441,733.60
  6. Step 6: Final answer
    x = 283,557.37

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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.