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Finding the Fourth Proportional to 583,412.65, 874,768.92 and 228,003.28

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Solution

The fourth proportional to 583,412.65, 874,768.92 and 228,003.28 is: 341,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,412.65 : 874,768.92 = 228,003.28 : x
  2. Step 2: Convert to fraction form
    583,412.65/874,768.92 = 228,003.28/x
  3. Step 3: Cross multiply
    583,412.65x = 874,768.92 × 228,003.28
  4. Step 4: Simplify right side
    583,412.65x = 199,450,183,002.06
  5. Step 5: Solve for x
    x = 199,450,183,002.06/583,412.65
  6. Step 6: Final answer
    x = 341,868.12

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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.