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Finding the Fourth Proportional to 555,562.79, 832,700.89 and 255,413.44

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Solution

The fourth proportional to 555,562.79, 832,700.89 and 255,413.44 is: 382,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,562.79 : 832,700.89 = 255,413.44 : x
  2. Step 2: Convert to fraction form
    555,562.79/832,700.89 = 255,413.44/x
  3. Step 3: Cross multiply
    555,562.79x = 832,700.89 × 255,413.44
  4. Step 4: Simplify right side
    555,562.79x = 212,682,996,724.21
  5. Step 5: Solve for x
    x = 212,682,996,724.21/555,562.79
  6. Step 6: Final answer
    x = 382,824.41

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1.5x scale

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.