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Finding the Fourth Proportional to 216,337.71, 324,506.79 and 56,413.50

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Solution

The fourth proportional to 216,337.71, 324,506.79 and 56,413.50 is: 84,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,337.71 : 324,506.79 = 56,413.50 : x
  2. Step 2: Convert to fraction form
    216,337.71/324,506.79 = 56,413.50/x
  3. Step 3: Cross multiply
    216,337.71x = 324,506.79 × 56,413.50
  4. Step 4: Simplify right side
    216,337.71x = 18,306,563,797.67
  5. Step 5: Solve for x
    x = 18,306,563,797.67/216,337.71
  6. Step 6: Final answer
    x = 84,620.31

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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.