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Finding the Fourth Proportional to 594,148.28, 891,455.82 and 261,491

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Solution

The fourth proportional to 594,148.28, 891,455.82 and 261,491 is: 392,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,148.28 : 891,455.82 = 261,491 : x
  2. Step 2: Convert to fraction form
    594,148.28/891,455.82 = 261,491/x
  3. Step 3: Cross multiply
    594,148.28x = 891,455.82 × 261,491
  4. Step 4: Simplify right side
    594,148.28x = 233,107,673,827.62
  5. Step 5: Solve for x
    x = 233,107,673,827.62/594,148.28
  6. Step 6: Final answer
    x = 392,339.22

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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.