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Finding the Fourth Proportional to 546,462.60, 819,693.90 and 310,266.60

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Solution

The fourth proportional to 546,462.60, 819,693.90 and 310,266.60 is: 465,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,462.60 : 819,693.90 = 310,266.60 : x
  2. Step 2: Convert to fraction form
    546,462.60/819,693.90 = 310,266.60/x
  3. Step 3: Cross multiply
    546,462.60x = 819,693.90 × 310,266.60
  4. Step 4: Simplify right side
    546,462.60x = 254,323,639,393.74
  5. Step 5: Solve for x
    x = 254,323,639,393.74/546,462.60
  6. Step 6: Final answer
    x = 465,399.90

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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.