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Finding the Fourth Proportional to 546,097.10, 819,145.65 and 309,901.10

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Solution

The fourth proportional to 546,097.10, 819,145.65 and 309,901.10 is: 464,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,097.10 : 819,145.65 = 309,901.10 : x
  2. Step 2: Convert to fraction form
    546,097.10/819,145.65 = 309,901.10/x
  3. Step 3: Cross multiply
    546,097.10x = 819,145.65 × 309,901.10
  4. Step 4: Simplify right side
    546,097.10x = 253,854,137,995.22
  5. Step 5: Solve for x
    x = 253,854,137,995.22/546,097.10
  6. Step 6: Final answer
    x = 464,851.65

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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.