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Finding the Fourth Proportional to 622,663.74, 934,290.84 and 370,442.46

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Solution

The fourth proportional to 622,663.74, 934,290.84 and 370,442.46 is: 555,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,663.74 : 934,290.84 = 370,442.46 : x
  2. Step 2: Convert to fraction form
    622,663.74/934,290.84 = 370,442.46/x
  3. Step 3: Cross multiply
    622,663.74x = 934,290.84 × 370,442.46
  4. Step 4: Simplify right side
    622,663.74x = 346,100,997,125.07
  5. Step 5: Solve for x
    x = 346,100,997,125.07/622,663.74
  6. Step 6: Final answer
    x = 555,839.33

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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.