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Finding the Fourth Proportional to 348,954.52, 523,009.12 and 159,155.04

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Solution

The fourth proportional to 348,954.52, 523,009.12 and 159,155.04 is: 238,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,954.52 : 523,009.12 = 159,155.04 : x
  2. Step 2: Convert to fraction form
    348,954.52/523,009.12 = 159,155.04/x
  3. Step 3: Cross multiply
    348,954.52x = 523,009.12 × 159,155.04
  4. Step 4: Simplify right side
    348,954.52x = 83,239,537,413.96
  5. Step 5: Solve for x
    x = 83,239,537,413.96/348,954.52
  6. Step 6: Final answer
    x = 238,539.79

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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.