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Finding the Fourth Proportional to 295,281.70, 442,922.55 and 162,571.30

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Solution

The fourth proportional to 295,281.70, 442,922.55 and 162,571.30 is: 243,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,281.70 : 442,922.55 = 162,571.30 : x
  2. Step 2: Convert to fraction form
    295,281.70/442,922.55 = 162,571.30/x
  3. Step 3: Cross multiply
    295,281.70x = 442,922.55 × 162,571.30
  4. Step 4: Simplify right side
    295,281.70x = 72,006,494,752.82
  5. Step 5: Solve for x
    x = 72,006,494,752.82/295,281.70
  6. Step 6: Final answer
    x = 243,856.95

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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.