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Finding the Fourth Proportional to 619,603.12, 929,501.97 and 264,619

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Solution

The fourth proportional to 619,603.12, 929,501.97 and 264,619 is: 396,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,603.12 : 929,501.97 = 264,619 : x
  2. Step 2: Convert to fraction form
    619,603.12/929,501.97 = 264,619/x
  3. Step 3: Cross multiply
    619,603.12x = 929,501.97 × 264,619
  4. Step 4: Simplify right side
    619,603.12x = 245,963,881,799.43
  5. Step 5: Solve for x
    x = 245,963,881,799.43/619,603.12
  6. Step 6: Final answer
    x = 396,970.05

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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.