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Finding the Fourth Proportional to 240,620.88, 360,728.30 and 151,678.30

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Solution

The fourth proportional to 240,620.88, 360,728.30 and 151,678.30 is: 227,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,620.88 : 360,728.30 = 151,678.30 : x
  2. Step 2: Convert to fraction form
    240,620.88/360,728.30 = 151,678.30/x
  3. Step 3: Cross multiply
    240,620.88x = 360,728.30 × 151,678.30
  4. Step 4: Simplify right side
    240,620.88x = 54,714,655,305.89
  5. Step 5: Solve for x
    x = 54,714,655,305.89/240,620.88
  6. Step 6: Final answer
    x = 227,389.47

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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.