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Finding the Fourth Proportional to 618,242.88, 932,283.24 and 609,811.92

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Solution

The fourth proportional to 618,242.88, 932,283.24 and 609,811.92 is: 919,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,242.88 : 932,283.24 = 609,811.92 : x
  2. Step 2: Convert to fraction form
    618,242.88/932,283.24 = 609,811.92/x
  3. Step 3: Cross multiply
    618,242.88x = 932,283.24 × 609,811.92
  4. Step 4: Simplify right side
    618,242.88x = 568,517,432,568.22
  5. Step 5: Solve for x
    x = 568,517,432,568.22/618,242.88
  6. Step 6: Final answer
    x = 919,569.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.