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Finding the Fourth Proportional to 350,970.76, 484,339.72 and 198,041.41

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Solution

The fourth proportional to 350,970.76, 484,339.72 and 198,041.41 is: 273,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,970.76 : 484,339.72 = 198,041.41 : x
  2. Step 2: Convert to fraction form
    350,970.76/484,339.72 = 198,041.41/x
  3. Step 3: Cross multiply
    350,970.76x = 484,339.72 × 198,041.41
  4. Step 4: Simplify right side
    350,970.76x = 95,919,318,646.11
  5. Step 5: Solve for x
    x = 95,919,318,646.11/350,970.76
  6. Step 6: Final answer
    x = 273,297.18

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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.