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Finding the Fourth Proportional to 240,374.73, 360,307.84 and 90,550.18

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Solution

The fourth proportional to 240,374.73, 360,307.84 and 90,550.18 is: 135,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,374.73 : 360,307.84 = 90,550.18 : x
  2. Step 2: Convert to fraction form
    240,374.73/360,307.84 = 90,550.18/x
  3. Step 3: Cross multiply
    240,374.73x = 360,307.84 × 90,550.18
  4. Step 4: Simplify right side
    240,374.73x = 32,625,939,767.41
  5. Step 5: Solve for x
    x = 32,625,939,767.41/240,374.73
  6. Step 6: Final answer
    x = 135,729.49

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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.