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Finding the Fourth Proportional to 539,301.02, 744,234.54 and 297,583.40

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Solution

The fourth proportional to 539,301.02, 744,234.54 and 297,583.40 is: 410,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,301.02 : 744,234.54 = 297,583.40 : x
  2. Step 2: Convert to fraction form
    539,301.02/744,234.54 = 297,583.40/x
  3. Step 3: Cross multiply
    539,301.02x = 744,234.54 × 297,583.40
  4. Step 4: Simplify right side
    539,301.02x = 221,471,844,810.64
  5. Step 5: Solve for x
    x = 221,471,844,810.64/539,301.02
  6. Step 6: Final answer
    x = 410,664.61

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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.