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Finding the Fourth Proportional to 625,755.12, 938,075.88 and 226,307.10

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Solution

The fourth proportional to 625,755.12, 938,075.88 and 226,307.10 is: 339,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,755.12 : 938,075.88 = 226,307.10 : x
  2. Step 2: Convert to fraction form
    625,755.12/938,075.88 = 226,307.10/x
  3. Step 3: Cross multiply
    625,755.12x = 938,075.88 × 226,307.10
  4. Step 4: Simplify right side
    625,755.12x = 212,293,231,982.75
  5. Step 5: Solve for x
    x = 212,293,231,982.75/625,755.12
  6. Step 6: Final answer
    x = 339,259.28

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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.