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Finding the Fourth Proportional to 331,413.60, 457,350.54 and 180,510.60

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Solution

The fourth proportional to 331,413.60, 457,350.54 and 180,510.60 is: 249,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,413.60 : 457,350.54 = 180,510.60 : x
  2. Step 2: Convert to fraction form
    331,413.60/457,350.54 = 180,510.60/x
  3. Step 3: Cross multiply
    331,413.60x = 457,350.54 × 180,510.60
  4. Step 4: Simplify right side
    331,413.60x = 82,556,620,385.72
  5. Step 5: Solve for x
    x = 82,556,620,385.72/331,413.60
  6. Step 6: Final answer
    x = 249,104.50

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1.5x scale

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.