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Finding the Fourth Proportional to 577,469.40, 866,204.10 and 156,797.40

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Solution

The fourth proportional to 577,469.40, 866,204.10 and 156,797.40 is: 235,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,469.40 : 866,204.10 = 156,797.40 : x
  2. Step 2: Convert to fraction form
    577,469.40/866,204.10 = 156,797.40/x
  3. Step 3: Cross multiply
    577,469.40x = 866,204.10 × 156,797.40
  4. Step 4: Simplify right side
    577,469.40x = 135,818,550,749.34
  5. Step 5: Solve for x
    x = 135,818,550,749.34/577,469.40
  6. Step 6: Final answer
    x = 235,196.10

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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.