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Finding the Fourth Proportional to 563,549.40, 846,074.70 and 327,061.80

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Solution

The fourth proportional to 563,549.40, 846,074.70 and 327,061.80 is: 491,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,549.40 : 846,074.70 = 327,061.80 : x
  2. Step 2: Convert to fraction form
    563,549.40/846,074.70 = 327,061.80/x
  3. Step 3: Cross multiply
    563,549.40x = 846,074.70 × 327,061.80
  4. Step 4: Simplify right side
    563,549.40x = 276,718,714,316.46
  5. Step 5: Solve for x
    x = 276,718,714,316.46/563,549.40
  6. Step 6: Final answer
    x = 491,028.32

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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.