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Finding the Fourth Proportional to 361,868.80, 542,804.60 and 151,359.08

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Solution

The fourth proportional to 361,868.80, 542,804.60 and 151,359.08 is: 227,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,868.80 : 542,804.60 = 151,359.08 : x
  2. Step 2: Convert to fraction form
    361,868.80/542,804.60 = 151,359.08/x
  3. Step 3: Cross multiply
    361,868.80x = 542,804.60 × 151,359.08
  4. Step 4: Simplify right side
    361,868.80x = 82,158,404,875.77
  5. Step 5: Solve for x
    x = 82,158,404,875.77/361,868.80
  6. Step 6: Final answer
    x = 227,039.21

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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.