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Finding the Fourth Proportional to 343,360.36, 514,897.98 and 132,877

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Solution

The fourth proportional to 343,360.36, 514,897.98 and 132,877 is: 199,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360.36 : 514,897.98 = 132,877 : x
  2. Step 2: Convert to fraction form
    343,360.36/514,897.98 = 132,877/x
  3. Step 3: Cross multiply
    343,360.36x = 514,897.98 × 132,877
  4. Step 4: Simplify right side
    343,360.36x = 68,418,098,888.46
  5. Step 5: Solve for x
    x = 68,418,098,888.46/343,360.36
  6. Step 6: Final answer
    x = 199,260.33

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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.