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Finding the Fourth Proportional to 514,866.03, 772,427.68 and 363,358.93

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Solution

The fourth proportional to 514,866.03, 772,427.68 and 363,358.93 is: 545,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,866.03 : 772,427.68 = 363,358.93 : x
  2. Step 2: Convert to fraction form
    514,866.03/772,427.68 = 363,358.93/x
  3. Step 3: Cross multiply
    514,866.03x = 772,427.68 × 363,358.93
  4. Step 4: Simplify right side
    514,866.03x = 280,668,491,743.57
  5. Step 5: Solve for x
    x = 280,668,491,743.57/514,866.03
  6. Step 6: Final answer
    x = 545,129.17

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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.