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Finding the Fourth Proportional to 354,923.60, 532,774.20 and 197,459.60

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Solution

The fourth proportional to 354,923.60, 532,774.20 and 197,459.60 is: 296,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,923.60 : 532,774.20 = 197,459.60 : x
  2. Step 2: Convert to fraction form
    354,923.60/532,774.20 = 197,459.60/x
  3. Step 3: Cross multiply
    354,923.60x = 532,774.20 × 197,459.60
  4. Step 4: Simplify right side
    354,923.60x = 105,201,380,422.32
  5. Step 5: Solve for x
    x = 105,201,380,422.32/354,923.60
  6. Step 6: Final answer
    x = 296,405.71

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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.