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Finding the Fourth Proportional to 295,234.90, 442,895.55 and 155,004.10

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Solution

The fourth proportional to 295,234.90, 442,895.55 and 155,004.10 is: 232,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,234.90 : 442,895.55 = 155,004.10 : x
  2. Step 2: Convert to fraction form
    295,234.90/442,895.55 = 155,004.10/x
  3. Step 3: Cross multiply
    295,234.90x = 442,895.55 × 155,004.10
  4. Step 4: Simplify right side
    295,234.90x = 68,650,626,121.76
  5. Step 5: Solve for x
    x = 68,650,626,121.76/295,234.90
  6. Step 6: Final answer
    x = 232,528.83

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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.