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Finding the Fourth Proportional to 583,176.40, 874,838.64 and 228,144.88

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Solution

The fourth proportional to 583,176.40, 874,838.64 and 228,144.88 is: 342,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,176.40 : 874,838.64 = 228,144.88 : x
  2. Step 2: Convert to fraction form
    583,176.40/874,838.64 = 228,144.88/x
  3. Step 3: Cross multiply
    583,176.40x = 874,838.64 × 228,144.88
  4. Step 4: Simplify right side
    583,176.40x = 199,589,956,542.16
  5. Step 5: Solve for x
    x = 199,589,956,542.16/583,176.40
  6. Step 6: Final answer
    x = 342,246.29

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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.