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Finding the Fourth Proportional to 567,358.40, 851,037.60 and 286,839.20

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Solution

The fourth proportional to 567,358.40, 851,037.60 and 286,839.20 is: 430,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,358.40 : 851,037.60 = 286,839.20 : x
  2. Step 2: Convert to fraction form
    567,358.40/851,037.60 = 286,839.20/x
  3. Step 3: Cross multiply
    567,358.40x = 851,037.60 × 286,839.20
  4. Step 4: Simplify right side
    567,358.40x = 244,110,944,353.92
  5. Step 5: Solve for x
    x = 244,110,944,353.92/567,358.40
  6. Step 6: Final answer
    x = 430,258.80

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Similar ratio
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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.