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Finding the Fourth Proportional to 546,043.80, 819,065.70 and 492,899.70

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Solution

The fourth proportional to 546,043.80, 819,065.70 and 492,899.70 is: 739,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,043.80 : 819,065.70 = 492,899.70 : x
  2. Step 2: Convert to fraction form
    546,043.80/819,065.70 = 492,899.70/x
  3. Step 3: Cross multiply
    546,043.80x = 819,065.70 × 492,899.70
  4. Step 4: Simplify right side
    546,043.80x = 403,717,237,810.29
  5. Step 5: Solve for x
    x = 403,717,237,810.29/546,043.80
  6. Step 6: Final answer
    x = 739,349.55

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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.