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Finding the Fourth Proportional to 431,750.79, 595,980.23 and 324,631.89

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Solution

The fourth proportional to 431,750.79, 595,980.23 and 324,631.89 is: 448,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,750.79 : 595,980.23 = 324,631.89 : x
  2. Step 2: Convert to fraction form
    431,750.79/595,980.23 = 324,631.89/x
  3. Step 3: Cross multiply
    431,750.79x = 595,980.23 × 324,631.89
  4. Step 4: Simplify right side
    431,750.79x = 193,474,186,844.38
  5. Step 5: Solve for x
    x = 193,474,186,844.38/431,750.79
  6. Step 6: Final answer
    x = 448,115.42

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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.