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Finding the Fourth Proportional to 459,552.60, 689,328.90 and 341,454.60

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Solution

The fourth proportional to 459,552.60, 689,328.90 and 341,454.60 is: 512,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,552.60 : 689,328.90 = 341,454.60 : x
  2. Step 2: Convert to fraction form
    459,552.60/689,328.90 = 341,454.60/x
  3. Step 3: Cross multiply
    459,552.60x = 689,328.90 × 341,454.60
  4. Step 4: Simplify right side
    459,552.60x = 235,374,523,817.94
  5. Step 5: Solve for x
    x = 235,374,523,817.94/459,552.60
  6. Step 6: Final answer
    x = 512,181.90

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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.