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Finding the Fourth Proportional to 539,664.85, 744,722.67 and 297,943.03

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Solution

The fourth proportional to 539,664.85, 744,722.67 and 297,943.03 is: 411,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,664.85 : 744,722.67 = 297,943.03 : x
  2. Step 2: Convert to fraction form
    539,664.85/744,722.67 = 297,943.03/x
  3. Step 3: Cross multiply
    539,664.85x = 744,722.67 × 297,943.03
  4. Step 4: Simplify right side
    539,664.85x = 221,884,928,809.49
  5. Step 5: Solve for x
    x = 221,884,928,809.49/539,664.85
  6. Step 6: Final answer
    x = 411,153.20

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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.