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Finding the Fourth Proportional to 542,955.60, 814,433.40 and 503,589.60

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Solution

The fourth proportional to 542,955.60, 814,433.40 and 503,589.60 is: 755,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,955.60 : 814,433.40 = 503,589.60 : x
  2. Step 2: Convert to fraction form
    542,955.60/814,433.40 = 503,589.60/x
  3. Step 3: Cross multiply
    542,955.60x = 814,433.40 × 503,589.60
  4. Step 4: Simplify right side
    542,955.60x = 410,140,190,132.64
  5. Step 5: Solve for x
    x = 410,140,190,132.64/542,955.60
  6. Step 6: Final answer
    x = 755,384.40

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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.