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Finding the Fourth Proportional to 433,615.32, 597,991.58 and 372,340.70

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Solution

The fourth proportional to 433,615.32, 597,991.58 and 372,340.70 is: 513,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,615.32 : 597,991.58 = 372,340.70 : x
  2. Step 2: Convert to fraction form
    433,615.32/597,991.58 = 372,340.70/x
  3. Step 3: Cross multiply
    433,615.32x = 597,991.58 × 372,340.70
  4. Step 4: Simplify right side
    433,615.32x = 222,656,603,491.31
  5. Step 5: Solve for x
    x = 222,656,603,491.31/433,615.32
  6. Step 6: Final answer
    x = 513,488.78

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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.