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Finding the Fourth Proportional to 501,590, 752,396.56 and 122,513.92

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Solution

The fourth proportional to 501,590, 752,396.56 and 122,513.92 is: 183,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,590 : 752,396.56 = 122,513.92 : x
  2. Step 2: Convert to fraction form
    501,590/752,396.56 = 122,513.92/x
  3. Step 3: Cross multiply
    501,590x = 752,396.56 × 122,513.92
  4. Step 4: Simplify right side
    501,590x = 92,179,051,960.12
  5. Step 5: Solve for x
    x = 92,179,051,960.12/501,590
  6. Step 6: Final answer
    x = 183,773.70

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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.