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Finding the Fourth Proportional to 240,361.40, 360,542.10 and 202,307.60

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Solution

The fourth proportional to 240,361.40, 360,542.10 and 202,307.60 is: 303,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,361.40 : 360,542.10 = 202,307.60 : x
  2. Step 2: Convert to fraction form
    240,361.40/360,542.10 = 202,307.60/x
  3. Step 3: Cross multiply
    240,361.40x = 360,542.10 × 202,307.60
  4. Step 4: Simplify right side
    240,361.40x = 72,940,406,949.96
  5. Step 5: Solve for x
    x = 72,940,406,949.96/240,361.40
  6. Step 6: Final answer
    x = 303,461.40

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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.