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Finding the Fourth Proportional to 295,815.20, 444,001.20 and 155,674.40

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Solution

The fourth proportional to 295,815.20, 444,001.20 and 155,674.40 is: 233,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,815.20 : 444,001.20 = 155,674.40 : x
  2. Step 2: Convert to fraction form
    295,815.20/444,001.20 = 155,674.40/x
  3. Step 3: Cross multiply
    295,815.20x = 444,001.20 × 155,674.40
  4. Step 4: Simplify right side
    295,815.20x = 69,119,620,409.28
  5. Step 5: Solve for x
    x = 69,119,620,409.28/295,815.20
  6. Step 6: Final answer
    x = 233,658.11

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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.