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Finding the Fourth Proportional to 295,267.70, 442,901.55 and 272,458.10

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Solution

The fourth proportional to 295,267.70, 442,901.55 and 272,458.10 is: 408,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,267.70 : 442,901.55 = 272,458.10 : x
  2. Step 2: Convert to fraction form
    295,267.70/442,901.55 = 272,458.10/x
  3. Step 3: Cross multiply
    295,267.70x = 442,901.55 × 272,458.10
  4. Step 4: Simplify right side
    295,267.70x = 120,672,114,800.06
  5. Step 5: Solve for x
    x = 120,672,114,800.06/295,267.70
  6. Step 6: Final answer
    x = 408,687.15

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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.