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Finding the Fourth Proportional to 567,699.22, 852,139.32 and 418,108.42

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Solution

The fourth proportional to 567,699.22, 852,139.32 and 418,108.42 is: 627,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,699.22 : 852,139.32 = 418,108.42 : x
  2. Step 2: Convert to fraction form
    567,699.22/852,139.32 = 418,108.42/x
  3. Step 3: Cross multiply
    567,699.22x = 852,139.32 × 418,108.42
  4. Step 4: Simplify right side
    567,699.22x = 356,286,624,705.07
  5. Step 5: Solve for x
    x = 356,286,624,705.07/567,699.22
  6. Step 6: Final answer
    x = 627,597.52

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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.