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Finding the Fourth Proportional to 559,255.60, 838,883.40 and 512,016.40

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Solution

The fourth proportional to 559,255.60, 838,883.40 and 512,016.40 is: 768,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,255.60 : 838,883.40 = 512,016.40 : x
  2. Step 2: Convert to fraction form
    559,255.60/838,883.40 = 512,016.40/x
  3. Step 3: Cross multiply
    559,255.60x = 838,883.40 × 512,016.40
  4. Step 4: Simplify right side
    559,255.60x = 429,522,058,487.76
  5. Step 5: Solve for x
    x = 429,522,058,487.76/559,255.60
  6. Step 6: Final answer
    x = 768,024.60

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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.