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Finding the Fourth Proportional to 594,074.28, 891,344.70 and 261,417

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Solution

The fourth proportional to 594,074.28, 891,344.70 and 261,417 is: 392,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,074.28 : 891,344.70 = 261,417 : x
  2. Step 2: Convert to fraction form
    594,074.28/891,344.70 = 261,417/x
  3. Step 3: Cross multiply
    594,074.28x = 891,344.70 × 261,417
  4. Step 4: Simplify right side
    594,074.28x = 233,012,657,439.90
  5. Step 5: Solve for x
    x = 233,012,657,439.90/594,074.28
  6. Step 6: Final answer
    x = 392,228.15

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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.