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Finding the Fourth Proportional to 294,577.40, 441,866.10 and 169,815.80

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Solution

The fourth proportional to 294,577.40, 441,866.10 and 169,815.80 is: 254,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,577.40 : 441,866.10 = 169,815.80 : x
  2. Step 2: Convert to fraction form
    294,577.40/441,866.10 = 169,815.80/x
  3. Step 3: Cross multiply
    294,577.40x = 441,866.10 × 169,815.80
  4. Step 4: Simplify right side
    294,577.40x = 75,035,845,264.38
  5. Step 5: Solve for x
    x = 75,035,845,264.38/294,577.40
  6. Step 6: Final answer
    x = 254,723.70

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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.