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Finding the Fourth Proportional to 514,774.36, 772,127.65 and 177,819.85

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Solution

The fourth proportional to 514,774.36, 772,127.65 and 177,819.85 is: 266,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,774.36 : 772,127.65 = 177,819.85 : x
  2. Step 2: Convert to fraction form
    514,774.36/772,127.65 = 177,819.85/x
  3. Step 3: Cross multiply
    514,774.36x = 772,127.65 × 177,819.85
  4. Step 4: Simplify right side
    514,774.36x = 137,299,622,903.85
  5. Step 5: Solve for x
    x = 137,299,622,903.85/514,774.36
  6. Step 6: Final answer
    x = 266,718.07

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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.