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Finding the Fourth Proportional to 475,891.93, 656,749.25 and 261,041.05

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Solution

The fourth proportional to 475,891.93, 656,749.25 and 261,041.05 is: 360,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,891.93 : 656,749.25 = 261,041.05 : x
  2. Step 2: Convert to fraction form
    475,891.93/656,749.25 = 261,041.05/x
  3. Step 3: Cross multiply
    475,891.93x = 656,749.25 × 261,041.05
  4. Step 4: Simplify right side
    475,891.93x = 171,438,513,806.71
  5. Step 5: Solve for x
    x = 171,438,513,806.71/475,891.93
  6. Step 6: Final answer
    x = 360,246.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.