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Finding the Fourth Proportional to 648,557.57, 968,578.41 and 552,766.97

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Solution

The fourth proportional to 648,557.57, 968,578.41 and 552,766.97 is: 825,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,557.57 : 968,578.41 = 552,766.97 : x
  2. Step 2: Convert to fraction form
    648,557.57/968,578.41 = 552,766.97/x
  3. Step 3: Cross multiply
    648,557.57x = 968,578.41 × 552,766.97
  4. Step 4: Simplify right side
    648,557.57x = 535,398,148,060.23
  5. Step 5: Solve for x
    x = 535,398,148,060.23/648,557.57
  6. Step 6: Final answer
    x = 825,521.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.