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Finding the Fourth Proportional to 441,740.08, 662,715.96 and 142,248.82

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Solution

The fourth proportional to 441,740.08, 662,715.96 and 142,248.82 is: 213,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,740.08 : 662,715.96 = 142,248.82 : x
  2. Step 2: Convert to fraction form
    441,740.08/662,715.96 = 142,248.82/x
  3. Step 3: Cross multiply
    441,740.08x = 662,715.96 × 142,248.82
  4. Step 4: Simplify right side
    441,740.08x = 94,270,563,305.17
  5. Step 5: Solve for x
    x = 94,270,563,305.17/441,740.08
  6. Step 6: Final answer
    x = 213,407.31

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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.