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Finding the Fourth Proportional to 539,695.41, 744,808.85 and 297,977.23

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Solution

The fourth proportional to 539,695.41, 744,808.85 and 297,977.23 is: 411,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,695.41 : 744,808.85 = 297,977.23 : x
  2. Step 2: Convert to fraction form
    539,695.41/744,808.85 = 297,977.23/x
  3. Step 3: Cross multiply
    539,695.41x = 744,808.85 × 297,977.23
  4. Step 4: Simplify right side
    539,695.41x = 221,936,078,002.49
  5. Step 5: Solve for x
    x = 221,936,078,002.49/539,695.41
  6. Step 6: Final answer
    x = 411,224.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.