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Finding the Fourth Proportional to 569,137.60, 853,706.40 and 536,478.40

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Solution

The fourth proportional to 569,137.60, 853,706.40 and 536,478.40 is: 804,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,137.60 : 853,706.40 = 536,478.40 : x
  2. Step 2: Convert to fraction form
    569,137.60/853,706.40 = 536,478.40/x
  3. Step 3: Cross multiply
    569,137.60x = 853,706.40 × 536,478.40
  4. Step 4: Simplify right side
    569,137.60x = 457,995,043,541.76
  5. Step 5: Solve for x
    x = 457,995,043,541.76/569,137.60
  6. Step 6: Final answer
    x = 804,717.60

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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.