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Finding the Fourth Proportional to 240,365.40, 360,548.10 and 202,311.60

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Solution

The fourth proportional to 240,365.40, 360,548.10 and 202,311.60 is: 303,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,365.40 : 360,548.10 = 202,311.60 : x
  2. Step 2: Convert to fraction form
    240,365.40/360,548.10 = 202,311.60/x
  3. Step 3: Cross multiply
    240,365.40x = 360,548.10 × 202,311.60
  4. Step 4: Simplify right side
    240,365.40x = 72,943,062,987.96
  5. Step 5: Solve for x
    x = 72,943,062,987.96/240,365.40
  6. Step 6: Final answer
    x = 303,467.40

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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.