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Finding the Fourth Proportional to 488,465.10, 732,697.65 and 151,505.10

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Solution

The fourth proportional to 488,465.10, 732,697.65 and 151,505.10 is: 227,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,465.10 : 732,697.65 = 151,505.10 : x
  2. Step 2: Convert to fraction form
    488,465.10/732,697.65 = 151,505.10/x
  3. Step 3: Cross multiply
    488,465.10x = 732,697.65 × 151,505.10
  4. Step 4: Simplify right side
    488,465.10x = 111,007,430,733.02
  5. Step 5: Solve for x
    x = 111,007,430,733.02/488,465.10
  6. Step 6: Final answer
    x = 227,257.65

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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.