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Finding the Fourth Proportional to 600,077.40, 900,116.10 and 200,731.20

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Solution

The fourth proportional to 600,077.40, 900,116.10 and 200,731.20 is: 301,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,077.40 : 900,116.10 = 200,731.20 : x
  2. Step 2: Convert to fraction form
    600,077.40/900,116.10 = 200,731.20/x
  3. Step 3: Cross multiply
    600,077.40x = 900,116.10 × 200,731.20
  4. Step 4: Simplify right side
    600,077.40x = 180,681,384,892.32
  5. Step 5: Solve for x
    x = 180,681,384,892.32/600,077.40
  6. Step 6: Final answer
    x = 301,096.80

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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.