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Finding the Fourth Proportional to 342,805.38, 514,402.50 and 185,030.34

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Solution

The fourth proportional to 342,805.38, 514,402.50 and 185,030.34 is: 277,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,805.38 : 514,402.50 = 185,030.34 : x
  2. Step 2: Convert to fraction form
    342,805.38/514,402.50 = 185,030.34/x
  3. Step 3: Cross multiply
    342,805.38x = 514,402.50 × 185,030.34
  4. Step 4: Simplify right side
    342,805.38x = 95,180,069,471.85
  5. Step 5: Solve for x
    x = 95,180,069,471.85/342,805.38
  6. Step 6: Final answer
    x = 277,650.45

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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.