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Finding the Fourth Proportional to 514,945.35, 772,862.72 and 357,284.52

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Solution

The fourth proportional to 514,945.35, 772,862.72 and 357,284.52 is: 536,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945.35 : 772,862.72 = 357,284.52 : x
  2. Step 2: Convert to fraction form
    514,945.35/772,862.72 = 357,284.52/x
  3. Step 3: Cross multiply
    514,945.35x = 772,862.72 × 357,284.52
  4. Step 4: Simplify right side
    514,945.35x = 276,131,889,732.54
  5. Step 5: Solve for x
    x = 276,131,889,732.54/514,945.35
  6. Step 6: Final answer
    x = 536,235.33

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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.