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Finding the Fourth Proportional to 557,292.74, 835,830.26 and 178,111.76

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Solution

The fourth proportional to 557,292.74, 835,830.26 and 178,111.76 is: 267,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,292.74 : 835,830.26 = 178,111.76 : x
  2. Step 2: Convert to fraction form
    557,292.74/835,830.26 = 178,111.76/x
  3. Step 3: Cross multiply
    557,292.74x = 835,830.26 × 178,111.76
  4. Step 4: Simplify right side
    557,292.74x = 148,871,198,669.86
  5. Step 5: Solve for x
    x = 148,871,198,669.86/557,292.74
  6. Step 6: Final answer
    x = 267,132.85

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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.