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Finding the Fourth Proportional to 555,230.40, 832,845.60 and 239,467.20

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Solution

The fourth proportional to 555,230.40, 832,845.60 and 239,467.20 is: 359,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,230.40 : 832,845.60 = 239,467.20 : x
  2. Step 2: Convert to fraction form
    555,230.40/832,845.60 = 239,467.20/x
  3. Step 3: Cross multiply
    555,230.40x = 832,845.60 × 239,467.20
  4. Step 4: Simplify right side
    555,230.40x = 199,439,203,864.32
  5. Step 5: Solve for x
    x = 199,439,203,864.32/555,230.40
  6. Step 6: Final answer
    x = 359,200.80

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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.