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Finding the Fourth Proportional to 298,869.60, 448,822.80 and 158,901.60

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Solution

The fourth proportional to 298,869.60, 448,822.80 and 158,901.60 is: 238,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,869.60 : 448,822.80 = 158,901.60 : x
  2. Step 2: Convert to fraction form
    298,869.60/448,822.80 = 158,901.60/x
  3. Step 3: Cross multiply
    298,869.60x = 448,822.80 × 158,901.60
  4. Step 4: Simplify right side
    298,869.60x = 71,318,661,036.48
  5. Step 5: Solve for x
    x = 71,318,661,036.48/298,869.60
  6. Step 6: Final answer
    x = 238,628.02

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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.