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Finding the Fourth Proportional to 583,323.90, 874,877.85 and 162,512.70

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Solution

The fourth proportional to 583,323.90, 874,877.85 and 162,512.70 is: 243,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,323.90 : 874,877.85 = 162,512.70 : x
  2. Step 2: Convert to fraction form
    583,323.90/874,877.85 = 162,512.70/x
  3. Step 3: Cross multiply
    583,323.90x = 874,877.85 × 162,512.70
  4. Step 4: Simplify right side
    583,323.90x = 142,178,761,573.70
  5. Step 5: Solve for x
    x = 142,178,761,573.70/583,323.90
  6. Step 6: Final answer
    x = 243,738.96

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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.