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Finding the Fourth Proportional to 488,465.60, 732,698.40 and 151,505.60

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Solution

The fourth proportional to 488,465.60, 732,698.40 and 151,505.60 is: 227,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,465.60 : 732,698.40 = 151,505.60 : x
  2. Step 2: Convert to fraction form
    488,465.60/732,698.40 = 151,505.60/x
  3. Step 3: Cross multiply
    488,465.60x = 732,698.40 × 151,505.60
  4. Step 4: Simplify right side
    488,465.60x = 111,007,910,711.04
  5. Step 5: Solve for x
    x = 111,007,910,711.04/488,465.60
  6. Step 6: Final answer
    x = 227,258.40

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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.