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Finding the Fourth Proportional to 664,441.60, 996,500.40 and 191,077.60

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Solution

The fourth proportional to 664,441.60, 996,500.40 and 191,077.60 is: 286,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,441.60 : 996,500.40 = 191,077.60 : x
  2. Step 2: Convert to fraction form
    664,441.60/996,500.40 = 191,077.60/x
  3. Step 3: Cross multiply
    664,441.60x = 996,500.40 × 191,077.60
  4. Step 4: Simplify right side
    664,441.60x = 190,408,904,831.04
  5. Step 5: Solve for x
    x = 190,408,904,831.04/664,441.60
  6. Step 6: Final answer
    x = 286,569.81

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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.