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Finding the Fourth Proportional to 295,219.40, 442,721.10 and 95,592.20

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Solution

The fourth proportional to 295,219.40, 442,721.10 and 95,592.20 is: 143,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219.40 : 442,721.10 = 95,592.20 : x
  2. Step 2: Convert to fraction form
    295,219.40/442,721.10 = 95,592.20/x
  3. Step 3: Cross multiply
    295,219.40x = 442,721.10 × 95,592.20
  4. Step 4: Simplify right side
    295,219.40x = 42,320,683,935.42
  5. Step 5: Solve for x
    x = 42,320,683,935.42/295,219.40
  6. Step 6: Final answer
    x = 143,353.33

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1.5x scale

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.