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Finding the Fourth Proportional to 583,420.65, 874,780.92 and 228,011.28

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Solution

The fourth proportional to 583,420.65, 874,780.92 and 228,011.28 is: 341,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,420.65 : 874,780.92 = 228,011.28 : x
  2. Step 2: Convert to fraction form
    583,420.65/874,780.92 = 228,011.28/x
  3. Step 3: Cross multiply
    583,420.65x = 874,780.92 × 228,011.28
  4. Step 4: Simplify right side
    583,420.65x = 199,459,917,288.78
  5. Step 5: Solve for x
    x = 199,459,917,288.78/583,420.65
  6. Step 6: Final answer
    x = 341,880.11

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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.