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Finding the Fourth Proportional to 234,501.60, 351,406.80 and 199,250.40

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Solution

The fourth proportional to 234,501.60, 351,406.80 and 199,250.40 is: 298,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,501.60 : 351,406.80 = 199,250.40 : x
  2. Step 2: Convert to fraction form
    234,501.60/351,406.80 = 199,250.40/x
  3. Step 3: Cross multiply
    234,501.60x = 351,406.80 × 199,250.40
  4. Step 4: Simplify right side
    234,501.60x = 70,017,945,462.72
  5. Step 5: Solve for x
    x = 70,017,945,462.72/234,501.60
  6. Step 6: Final answer
    x = 298,581.95

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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.