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Finding the Fourth Proportional to 555,040.42, 832,892.78 and 239,497.32

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Solution

The fourth proportional to 555,040.42, 832,892.78 and 239,497.32 is: 359,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,040.42 : 832,892.78 = 239,497.32 : x
  2. Step 2: Convert to fraction form
    555,040.42/832,892.78 = 239,497.32/x
  3. Step 3: Cross multiply
    555,040.42x = 832,892.78 × 239,497.32
  4. Step 4: Simplify right side
    555,040.42x = 199,475,590,717.92
  5. Step 5: Solve for x
    x = 199,475,590,717.92/555,040.42
  6. Step 6: Final answer
    x = 359,389.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.