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Finding the Fourth Proportional to 472,106.16, 708,368.58 and 247,413.18

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Solution

The fourth proportional to 472,106.16, 708,368.58 and 247,413.18 is: 371,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,106.16 : 708,368.58 = 247,413.18 : x
  2. Step 2: Convert to fraction form
    472,106.16/708,368.58 = 247,413.18/x
  3. Step 3: Cross multiply
    472,106.16x = 708,368.58 × 247,413.18
  4. Step 4: Simplify right side
    472,106.16x = 175,259,722,989.88
  5. Step 5: Solve for x
    x = 175,259,722,989.88/472,106.16
  6. Step 6: Final answer
    x = 371,229.48

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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.