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Finding the Fourth Proportional to 410,126.80, 615,190.20 and 401,832.40

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Solution

The fourth proportional to 410,126.80, 615,190.20 and 401,832.40 is: 602,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,126.80 : 615,190.20 = 401,832.40 : x
  2. Step 2: Convert to fraction form
    410,126.80/615,190.20 = 401,832.40/x
  3. Step 3: Cross multiply
    410,126.80x = 615,190.20 × 401,832.40
  4. Step 4: Simplify right side
    410,126.80x = 247,203,354,522.48
  5. Step 5: Solve for x
    x = 247,203,354,522.48/410,126.80
  6. Step 6: Final answer
    x = 602,748.60

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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.