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Finding the Fourth Proportional to 376,901.40, 565,352.10 and 372,964.80

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Solution

The fourth proportional to 376,901.40, 565,352.10 and 372,964.80 is: 559,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,901.40 : 565,352.10 = 372,964.80 : x
  2. Step 2: Convert to fraction form
    376,901.40/565,352.10 = 372,964.80/x
  3. Step 3: Cross multiply
    376,901.40x = 565,352.10 × 372,964.80
  4. Step 4: Simplify right side
    376,901.40x = 210,856,432,906.08
  5. Step 5: Solve for x
    x = 210,856,432,906.08/376,901.40
  6. Step 6: Final answer
    x = 559,447.20

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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.