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Finding the Fourth Proportional to 351,599.47, 527,413.78 and 102,281.47

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Solution

The fourth proportional to 351,599.47, 527,413.78 and 102,281.47 is: 153,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,599.47 : 527,413.78 = 102,281.47 : x
  2. Step 2: Convert to fraction form
    351,599.47/527,413.78 = 102,281.47/x
  3. Step 3: Cross multiply
    351,599.47x = 527,413.78 × 102,281.47
  4. Step 4: Simplify right side
    351,599.47x = 53,944,655,525.97
  5. Step 5: Solve for x
    x = 53,944,655,525.97/351,599.47
  6. Step 6: Final answer
    x = 153,426.44

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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.