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Finding the Fourth Proportional to 605,037.60, 907,487.20 and 161,840.16

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Solution

The fourth proportional to 605,037.60, 907,487.20 and 161,840.16 is: 242,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,037.60 : 907,487.20 = 161,840.16 : x
  2. Step 2: Convert to fraction form
    605,037.60/907,487.20 = 161,840.16/x
  3. Step 3: Cross multiply
    605,037.60x = 907,487.20 × 161,840.16
  4. Step 4: Simplify right side
    605,037.60x = 146,867,873,645.95
  5. Step 5: Solve for x
    x = 146,867,873,645.95/605,037.60
  6. Step 6: Final answer
    x = 242,741.73

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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.