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Finding the Fourth Proportional to 488,840.60, 733,260.90 and 410,108.60

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Solution

The fourth proportional to 488,840.60, 733,260.90 and 410,108.60 is: 615,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,840.60 : 733,260.90 = 410,108.60 : x
  2. Step 2: Convert to fraction form
    488,840.60/733,260.90 = 410,108.60/x
  3. Step 3: Cross multiply
    488,840.60x = 733,260.90 × 410,108.60
  4. Step 4: Simplify right side
    488,840.60x = 300,716,601,133.74
  5. Step 5: Solve for x
    x = 300,716,601,133.74/488,840.60
  6. Step 6: Final answer
    x = 615,162.90

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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.