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Finding the Fourth Proportional to 468,220.93, 702,063.12 and 143,924.58

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Solution

The fourth proportional to 468,220.93, 702,063.12 and 143,924.58 is: 215,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,220.93 : 702,063.12 = 143,924.58 : x
  2. Step 2: Convert to fraction form
    468,220.93/702,063.12 = 143,924.58/x
  3. Step 3: Cross multiply
    468,220.93x = 702,063.12 × 143,924.58
  4. Step 4: Simplify right side
    468,220.93x = 101,044,139,679.49
  5. Step 5: Solve for x
    x = 101,044,139,679.49/468,220.93
  6. Step 6: Final answer
    x = 215,804.41

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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.