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Finding the Fourth Proportional to 542,328.44, 748,711.29 and 370,504.76

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Solution

The fourth proportional to 542,328.44, 748,711.29 and 370,504.76 is: 511,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,328.44 : 748,711.29 = 370,504.76 : x
  2. Step 2: Convert to fraction form
    542,328.44/748,711.29 = 370,504.76/x
  3. Step 3: Cross multiply
    542,328.44x = 748,711.29 × 370,504.76
  4. Step 4: Simplify right side
    542,328.44x = 277,401,093,067.18
  5. Step 5: Solve for x
    x = 277,401,093,067.18/542,328.44
  6. Step 6: Final answer
    x = 511,500.18

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Double scale
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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.