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Finding the Fourth Proportional to 295,823.70, 444,013.95 and 155,682.90

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Solution

The fourth proportional to 295,823.70, 444,013.95 and 155,682.90 is: 233,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,823.70 : 444,013.95 = 155,682.90 : x
  2. Step 2: Convert to fraction form
    295,823.70/444,013.95 = 155,682.90/x
  3. Step 3: Cross multiply
    295,823.70x = 444,013.95 × 155,682.90
  4. Step 4: Simplify right side
    295,823.70x = 69,125,379,376.46
  5. Step 5: Solve for x
    x = 69,125,379,376.46/295,823.70
  6. Step 6: Final answer
    x = 233,670.86

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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.