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Finding the Fourth Proportional to 539,459.44, 809,228.16 and 207,035.44

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Solution

The fourth proportional to 539,459.44, 809,228.16 and 207,035.44 is: 310,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,459.44 : 809,228.16 = 207,035.44 : x
  2. Step 2: Convert to fraction form
    539,459.44/809,228.16 = 207,035.44/x
  3. Step 3: Cross multiply
    539,459.44x = 809,228.16 × 207,035.44
  4. Step 4: Simplify right side
    539,459.44x = 167,538,908,165.99
  5. Step 5: Solve for x
    x = 167,538,908,165.99/539,459.44
  6. Step 6: Final answer
    x = 310,568.13

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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.