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Finding the Fourth Proportional to 367,361.16, 550,515.98 and 209,263.08

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Solution

The fourth proportional to 367,361.16, 550,515.98 and 209,263.08 is: 313,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,361.16 : 550,515.98 = 209,263.08 : x
  2. Step 2: Convert to fraction form
    367,361.16/550,515.98 = 209,263.08/x
  3. Step 3: Cross multiply
    367,361.16x = 550,515.98 × 209,263.08
  4. Step 4: Simplify right side
    367,361.16x = 115,202,669,564.02
  5. Step 5: Solve for x
    x = 115,202,669,564.02/367,361.16
  6. Step 6: Final answer
    x = 313,595.13

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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.