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Finding the Fourth Proportional to 446,009.72, 615,493.17 and 252,413.91

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Solution

The fourth proportional to 446,009.72, 615,493.17 and 252,413.91 is: 348,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,009.72 : 615,493.17 = 252,413.91 : x
  2. Step 2: Convert to fraction form
    446,009.72/615,493.17 = 252,413.91/x
  3. Step 3: Cross multiply
    446,009.72x = 615,493.17 × 252,413.91
  4. Step 4: Simplify right side
    446,009.72x = 155,359,037,618.00
  5. Step 5: Solve for x
    x = 155,359,037,618.00/446,009.72
  6. Step 6: Final answer
    x = 348,331.06

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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.