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Finding the Fourth Proportional to 539,482.56, 809,311.44 and 202,549.68

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Solution

The fourth proportional to 539,482.56, 809,311.44 and 202,549.68 is: 303,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,482.56 : 809,311.44 = 202,549.68 : x
  2. Step 2: Convert to fraction form
    539,482.56/809,311.44 = 202,549.68/x
  3. Step 3: Cross multiply
    539,482.56x = 809,311.44 × 202,549.68
  4. Step 4: Simplify right side
    539,482.56x = 163,925,773,192.34
  5. Step 5: Solve for x
    x = 163,925,773,192.34/539,482.56
  6. Step 6: Final answer
    x = 303,857.41

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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.