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Finding the Fourth Proportional to 334,118.80, 501,606.06 and 287,035.12

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Solution

The fourth proportional to 334,118.80, 501,606.06 and 287,035.12 is: 430,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,118.80 : 501,606.06 = 287,035.12 : x
  2. Step 2: Convert to fraction form
    334,118.80/501,606.06 = 287,035.12/x
  3. Step 3: Cross multiply
    334,118.80x = 501,606.06 × 287,035.12
  4. Step 4: Simplify right side
    334,118.80x = 143,978,555,624.83
  5. Step 5: Solve for x
    x = 143,978,555,624.83/334,118.80
  6. Step 6: Final answer
    x = 430,920.25

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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.