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Finding the Fourth Proportional to 546,078.80, 819,118.20 and 492,934.70

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Solution

The fourth proportional to 546,078.80, 819,118.20 and 492,934.70 is: 739,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,078.80 : 819,118.20 = 492,934.70 : x
  2. Step 2: Convert to fraction form
    546,078.80/819,118.20 = 492,934.70/x
  3. Step 3: Cross multiply
    546,078.80x = 819,118.20 × 492,934.70
  4. Step 4: Simplify right side
    546,078.80x = 403,771,784,181.54
  5. Step 5: Solve for x
    x = 403,771,784,181.54/546,078.80
  6. Step 6: Final answer
    x = 739,402.05

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Double scale
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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.