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Finding the Fourth Proportional to 534,876.60, 738,032.94 and 343,846.20

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Solution

The fourth proportional to 534,876.60, 738,032.94 and 343,846.20 is: 474,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,876.60 : 738,032.94 = 343,846.20 : x
  2. Step 2: Convert to fraction form
    534,876.60/738,032.94 = 343,846.20/x
  3. Step 3: Cross multiply
    534,876.60x = 738,032.94 × 343,846.20
  4. Step 4: Simplify right side
    534,876.60x = 253,769,821,893.83
  5. Step 5: Solve for x
    x = 253,769,821,893.83/534,876.60
  6. Step 6: Final answer
    x = 474,445.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.