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Finding the Fourth Proportional to 296,176.90, 442,969.35 and 264,813.70

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Solution

The fourth proportional to 296,176.90, 442,969.35 and 264,813.70 is: 396,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,176.90 : 442,969.35 = 264,813.70 : x
  2. Step 2: Convert to fraction form
    296,176.90/442,969.35 = 264,813.70/x
  3. Step 3: Cross multiply
    296,176.90x = 442,969.35 × 264,813.70
  4. Step 4: Simplify right side
    296,176.90x = 117,304,352,560.10
  5. Step 5: Solve for x
    x = 117,304,352,560.10/296,176.90
  6. Step 6: Final answer
    x = 396,061.79

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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.