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Finding the Fourth Proportional to 702,461.25, 1,053,603 and 222,693.71

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Solution

The fourth proportional to 702,461.25, 1,053,603 and 222,693.71 is: 334,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,461.25 : 1,053,603 = 222,693.71 : x
  2. Step 2: Convert to fraction form
    702,461.25/1,053,603 = 222,693.71/x
  3. Step 3: Cross multiply
    702,461.25x = 1,053,603 × 222,693.71
  4. Step 4: Simplify right side
    702,461.25x = 234,630,755,669.12
  5. Step 5: Solve for x
    x = 234,630,755,669.12/702,461.25
  6. Step 6: Final answer
    x = 334,012.38

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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.