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Finding the Fourth Proportional to 273,290.32, 410,060.03 and 140,263.99

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Solution

The fourth proportional to 273,290.32, 410,060.03 and 140,263.99 is: 210,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,290.32 : 410,060.03 = 140,263.99 : x
  2. Step 2: Convert to fraction form
    273,290.32/410,060.03 = 140,263.99/x
  3. Step 3: Cross multiply
    273,290.32x = 410,060.03 × 140,263.99
  4. Step 4: Simplify right side
    273,290.32x = 57,516,655,947.32
  5. Step 5: Solve for x
    x = 57,516,655,947.32/273,290.32
  6. Step 6: Final answer
    x = 210,459.91

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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.