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Finding the Fourth Proportional to 546,097.30, 819,145.95 and 309,901.30

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Solution

The fourth proportional to 546,097.30, 819,145.95 and 309,901.30 is: 464,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,097.30 : 819,145.95 = 309,901.30 : x
  2. Step 2: Convert to fraction form
    546,097.30/819,145.95 = 309,901.30/x
  3. Step 3: Cross multiply
    546,097.30x = 819,145.95 × 309,901.30
  4. Step 4: Simplify right side
    546,097.30x = 253,854,394,794.74
  5. Step 5: Solve for x
    x = 253,854,394,794.74/546,097.30
  6. Step 6: Final answer
    x = 464,851.95

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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.