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Finding the Fourth Proportional to 569,622.60, 854,433.90 and 495,894.60

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Solution

The fourth proportional to 569,622.60, 854,433.90 and 495,894.60 is: 743,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,622.60 : 854,433.90 = 495,894.60 : x
  2. Step 2: Convert to fraction form
    569,622.60/854,433.90 = 495,894.60/x
  3. Step 3: Cross multiply
    569,622.60x = 854,433.90 × 495,894.60
  4. Step 4: Simplify right side
    569,622.60x = 423,709,157,066.94
  5. Step 5: Solve for x
    x = 423,709,157,066.94/569,622.60
  6. Step 6: Final answer
    x = 743,841.90

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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.