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Finding the Fourth Proportional to 240,015.90, 360,023.85 and 177,807.90

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Solution

The fourth proportional to 240,015.90, 360,023.85 and 177,807.90 is: 266,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,015.90 : 360,023.85 = 177,807.90 : x
  2. Step 2: Convert to fraction form
    240,015.90/360,023.85 = 177,807.90/x
  3. Step 3: Cross multiply
    240,015.90x = 360,023.85 × 177,807.90
  4. Step 4: Simplify right side
    240,015.90x = 64,015,084,718.42
  5. Step 5: Solve for x
    x = 64,015,084,718.42/240,015.90
  6. Step 6: Final answer
    x = 266,711.85

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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.