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Finding the Fourth Proportional to 594,073.28, 891,343.20 and 261,416

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Solution

The fourth proportional to 594,073.28, 891,343.20 and 261,416 is: 392,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,073.28 : 891,343.20 = 261,416 : x
  2. Step 2: Convert to fraction form
    594,073.28/891,343.20 = 261,416/x
  3. Step 3: Cross multiply
    594,073.28x = 891,343.20 × 261,416
  4. Step 4: Simplify right side
    594,073.28x = 233,011,373,971.20
  5. Step 5: Solve for x
    x = 233,011,373,971.20/594,073.28
  6. Step 6: Final answer
    x = 392,226.65

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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.