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Finding the Fourth Proportional to 433,611.81, 597,986.76 and 372,337.20

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Solution

The fourth proportional to 433,611.81, 597,986.76 and 372,337.20 is: 513,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,611.81 : 597,986.76 = 372,337.20 : x
  2. Step 2: Convert to fraction form
    433,611.81/597,986.76 = 372,337.20/x
  3. Step 3: Cross multiply
    433,611.81x = 597,986.76 × 372,337.20
  4. Step 4: Simplify right side
    433,611.81x = 222,652,715,855.47
  5. Step 5: Solve for x
    x = 222,652,715,855.47/433,611.81
  6. Step 6: Final answer
    x = 513,483.98

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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.