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Finding the Fourth Proportional to 567,316.80, 850,975.20 and 317,966.40

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Solution

The fourth proportional to 567,316.80, 850,975.20 and 317,966.40 is: 476,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,316.80 : 850,975.20 = 317,966.40 : x
  2. Step 2: Convert to fraction form
    567,316.80/850,975.20 = 317,966.40/x
  3. Step 3: Cross multiply
    567,316.80x = 850,975.20 × 317,966.40
  4. Step 4: Simplify right side
    567,316.80x = 270,581,520,833.28
  5. Step 5: Solve for x
    x = 270,581,520,833.28/567,316.80
  6. Step 6: Final answer
    x = 476,949.60

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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.