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Finding the Fourth Proportional to 514,958.03, 772,486.70 and 159,876.71

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Solution

The fourth proportional to 514,958.03, 772,486.70 and 159,876.71 is: 239,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,958.03 : 772,486.70 = 159,876.71 : x
  2. Step 2: Convert to fraction form
    514,958.03/772,486.70 = 159,876.71/x
  3. Step 3: Cross multiply
    514,958.03x = 772,486.70 × 159,876.71
  4. Step 4: Simplify right side
    514,958.03x = 123,502,632,114.76
  5. Step 5: Solve for x
    x = 123,502,632,114.76/514,958.03
  6. Step 6: Final answer
    x = 239,830.48

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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.