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Finding the Fourth Proportional to 335,421.60, 503,132.40 and 235,694.40

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Solution

The fourth proportional to 335,421.60, 503,132.40 and 235,694.40 is: 353,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,421.60 : 503,132.40 = 235,694.40 : x
  2. Step 2: Convert to fraction form
    335,421.60/503,132.40 = 235,694.40/x
  3. Step 3: Cross multiply
    335,421.60x = 503,132.40 × 235,694.40
  4. Step 4: Simplify right side
    335,421.60x = 118,585,489,138.56
  5. Step 5: Solve for x
    x = 118,585,489,138.56/335,421.60
  6. Step 6: Final answer
    x = 353,541.60

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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.