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Finding the Fourth Proportional to 433,614.81, 597,990.90 and 372,340.20

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Solution

The fourth proportional to 433,614.81, 597,990.90 and 372,340.20 is: 513,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,614.81 : 597,990.90 = 372,340.20 : x
  2. Step 2: Convert to fraction form
    433,614.81/597,990.90 = 372,340.20/x
  3. Step 3: Cross multiply
    433,614.81x = 597,990.90 × 372,340.20
  4. Step 4: Simplify right side
    433,614.81x = 222,656,051,304.18
  5. Step 5: Solve for x
    x = 222,656,051,304.18/433,614.81
  6. Step 6: Final answer
    x = 513,488.11

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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.