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Finding the Fourth Proportional to 482,362.56, 723,578.40 and 127,373.04

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Solution

The fourth proportional to 482,362.56, 723,578.40 and 127,373.04 is: 191,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,362.56 : 723,578.40 = 127,373.04 : x
  2. Step 2: Convert to fraction form
    482,362.56/723,578.40 = 127,373.04/x
  3. Step 3: Cross multiply
    482,362.56x = 723,578.40 × 127,373.04
  4. Step 4: Simplify right side
    482,362.56x = 92,164,380,486.34
  5. Step 5: Solve for x
    x = 92,164,380,486.34/482,362.56
  6. Step 6: Final answer
    x = 191,068.69

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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.