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Finding the Fourth Proportional to 376,055.28, 564,563.88 and 323,086.20

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Solution

The fourth proportional to 376,055.28, 564,563.88 and 323,086.20 is: 485,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,055.28 : 564,563.88 = 323,086.20 : x
  2. Step 2: Convert to fraction form
    376,055.28/564,563.88 = 323,086.20/x
  3. Step 3: Cross multiply
    376,055.28x = 564,563.88 × 323,086.20
  4. Step 4: Simplify right side
    376,055.28x = 182,402,798,646.46
  5. Step 5: Solve for x
    x = 182,402,798,646.46/376,055.28
  6. Step 6: Final answer
    x = 485,042.51

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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.