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Finding the Fourth Proportional to 475,158.49, 712,586.83 and 155,237.45

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Solution

The fourth proportional to 475,158.49, 712,586.83 and 155,237.45 is: 232,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,158.49 : 712,586.83 = 155,237.45 : x
  2. Step 2: Convert to fraction form
    475,158.49/712,586.83 = 155,237.45/x
  3. Step 3: Cross multiply
    475,158.49x = 712,586.83 × 155,237.45
  4. Step 4: Simplify right side
    475,158.49x = 110,620,162,392.78
  5. Step 5: Solve for x
    x = 110,620,162,392.78/475,158.49
  6. Step 6: Final answer
    x = 232,806.87

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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.