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Finding the Fourth Proportional to 240,441.98, 360,428.60 and 100,240.70

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Solution

The fourth proportional to 240,441.98, 360,428.60 and 100,240.70 is: 150,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,441.98 : 360,428.60 = 100,240.70 : x
  2. Step 2: Convert to fraction form
    240,441.98/360,428.60 = 100,240.70/x
  3. Step 3: Cross multiply
    240,441.98x = 360,428.60 × 100,240.70
  4. Step 4: Simplify right side
    240,441.98x = 36,129,615,164.02
  5. Step 5: Solve for x
    x = 36,129,615,164.02/240,441.98
  6. Step 6: Final answer
    x = 150,263.34

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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.