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Finding the Fourth Proportional to 475,157.49, 712,585.33 and 155,236.45

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Solution

The fourth proportional to 475,157.49, 712,585.33 and 155,236.45 is: 232,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,157.49 : 712,585.33 = 155,236.45 : x
  2. Step 2: Convert to fraction form
    475,157.49/712,585.33 = 155,236.45/x
  3. Step 3: Cross multiply
    475,157.49x = 712,585.33 × 155,236.45
  4. Step 4: Simplify right side
    475,157.49x = 110,619,216,951.28
  5. Step 5: Solve for x
    x = 110,619,216,951.28/475,157.49
  6. Step 6: Final answer
    x = 232,805.37

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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.