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Finding the Fourth Proportional to 539,647.22, 744,738.09 and 297,964.10

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Solution

The fourth proportional to 539,647.22, 744,738.09 and 297,964.10 is: 411,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,647.22 : 744,738.09 = 297,964.10 : x
  2. Step 2: Convert to fraction form
    539,647.22/744,738.09 = 297,964.10/x
  3. Step 3: Cross multiply
    539,647.22x = 744,738.09 × 297,964.10
  4. Step 4: Simplify right side
    539,647.22x = 221,905,214,722.57
  5. Step 5: Solve for x
    x = 221,905,214,722.57/539,647.22
  6. Step 6: Final answer
    x = 411,204.22

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1.5x scale

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.