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Finding the Fourth Proportional to 594,492.71, 820,398.84 and 322,560.56

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Solution

The fourth proportional to 594,492.71, 820,398.84 and 322,560.56 is: 445,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,492.71 : 820,398.84 = 322,560.56 : x
  2. Step 2: Convert to fraction form
    594,492.71/820,398.84 = 322,560.56/x
  3. Step 3: Cross multiply
    594,492.71x = 820,398.84 × 322,560.56
  4. Step 4: Simplify right side
    594,492.71x = 264,628,309,253.75
  5. Step 5: Solve for x
    x = 264,628,309,253.75/594,492.71
  6. Step 6: Final answer
    x = 445,132.98

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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.