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Finding the Fourth Proportional to 534,491.20, 801,736.80 and 160,465.60

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Solution

The fourth proportional to 534,491.20, 801,736.80 and 160,465.60 is: 240,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,491.20 : 801,736.80 = 160,465.60 : x
  2. Step 2: Convert to fraction form
    534,491.20/801,736.80 = 160,465.60/x
  3. Step 3: Cross multiply
    534,491.20x = 801,736.80 × 160,465.60
  4. Step 4: Simplify right side
    534,491.20x = 128,651,176,654.08
  5. Step 5: Solve for x
    x = 128,651,176,654.08/534,491.20
  6. Step 6: Final answer
    x = 240,698.40

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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.