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Finding the Fourth Proportional to 566,184.60, 781,245.54 and 324,420.66

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Solution

The fourth proportional to 566,184.60, 781,245.54 and 324,420.66 is: 447,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,184.60 : 781,245.54 = 324,420.66 : x
  2. Step 2: Convert to fraction form
    566,184.60/781,245.54 = 324,420.66/x
  3. Step 3: Cross multiply
    566,184.60x = 781,245.54 × 324,420.66
  4. Step 4: Simplify right side
    566,184.60x = 253,452,193,708.86
  5. Step 5: Solve for x
    x = 253,452,193,708.86/566,184.60
  6. Step 6: Final answer
    x = 447,649.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.