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Finding the Fourth Proportional to 368,780.74, 552,229.72 and 294,009.93

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Solution

The fourth proportional to 368,780.74, 552,229.72 and 294,009.93 is: 440,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,780.74 : 552,229.72 = 294,009.93 : x
  2. Step 2: Convert to fraction form
    368,780.74/552,229.72 = 294,009.93/x
  3. Step 3: Cross multiply
    368,780.74x = 552,229.72 × 294,009.93
  4. Step 4: Simplify right side
    368,780.74x = 162,361,020,586.10
  5. Step 5: Solve for x
    x = 162,361,020,586.10/368,780.74
  6. Step 6: Final answer
    x = 440,264.37

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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.