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Finding the Fourth Proportional to 539,622.56, 744,680.38 and 297,905.30

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Solution

The fourth proportional to 539,622.56, 744,680.38 and 297,905.30 is: 411,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,622.56 : 744,680.38 = 297,905.30 : x
  2. Step 2: Convert to fraction form
    539,622.56/744,680.38 = 297,905.30/x
  3. Step 3: Cross multiply
    539,622.56x = 744,680.38 × 297,905.30
  4. Step 4: Simplify right side
    539,622.56x = 221,844,232,008.01
  5. Step 5: Solve for x
    x = 221,844,232,008.01/539,622.56
  6. Step 6: Final answer
    x = 411,110.00

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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.