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Finding the Fourth Proportional to 416,607.28, 574,964.80 and 235,330.89

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Solution

The fourth proportional to 416,607.28, 574,964.80 and 235,330.89 is: 324,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,607.28 : 574,964.80 = 235,330.89 : x
  2. Step 2: Convert to fraction form
    416,607.28/574,964.80 = 235,330.89/x
  3. Step 3: Cross multiply
    416,607.28x = 574,964.80 × 235,330.89
  4. Step 4: Simplify right side
    416,607.28x = 135,306,978,102.67
  5. Step 5: Solve for x
    x = 135,306,978,102.67/416,607.28
  6. Step 6: Final answer
    x = 324,783.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.