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Finding the Fourth Proportional to 240,463.20, 360,003.60 and 147,151.20

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Solution

The fourth proportional to 240,463.20, 360,003.60 and 147,151.20 is: 220,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,463.20 : 360,003.60 = 147,151.20 : x
  2. Step 2: Convert to fraction form
    240,463.20/360,003.60 = 147,151.20/x
  3. Step 3: Cross multiply
    240,463.20x = 360,003.60 × 147,151.20
  4. Step 4: Simplify right side
    240,463.20x = 52,974,961,744.32
  5. Step 5: Solve for x
    x = 52,974,961,744.32/240,463.20
  6. Step 6: Final answer
    x = 220,303.82

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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.