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Finding the Fourth Proportional to 501,661, 752,488.75 and 122,583.84

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Solution

The fourth proportional to 501,661, 752,488.75 and 122,583.84 is: 183,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,661 : 752,488.75 = 122,583.84 : x
  2. Step 2: Convert to fraction form
    501,661/752,488.75 = 122,583.84/x
  3. Step 3: Cross multiply
    501,661x = 752,488.75 × 122,583.84
  4. Step 4: Simplify right side
    501,661x = 92,242,960,531.80
  5. Step 5: Solve for x
    x = 92,242,960,531.80/501,661
  6. Step 6: Final answer
    x = 183,875.09

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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.