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Finding the Fourth Proportional to 448,560.90, 672,592.95 and 178,415.10

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Solution

The fourth proportional to 448,560.90, 672,592.95 and 178,415.10 is: 267,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,560.90 : 672,592.95 = 178,415.10 : x
  2. Step 2: Convert to fraction form
    448,560.90/672,592.95 = 178,415.10/x
  3. Step 3: Cross multiply
    448,560.90x = 672,592.95 × 178,415.10
  4. Step 4: Simplify right side
    448,560.90x = 120,000,738,433.55
  5. Step 5: Solve for x
    x = 120,000,738,433.55/448,560.90
  6. Step 6: Final answer
    x = 267,523.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.