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Finding the Fourth Proportional to 264,816.80, 398,002.80 and 230,602.40

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Solution

The fourth proportional to 264,816.80, 398,002.80 and 230,602.40 is: 346,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,816.80 : 398,002.80 = 230,602.40 : x
  2. Step 2: Convert to fraction form
    264,816.80/398,002.80 = 230,602.40/x
  3. Step 3: Cross multiply
    264,816.80x = 398,002.80 × 230,602.40
  4. Step 4: Simplify right side
    264,816.80x = 91,780,400,886.72
  5. Step 5: Solve for x
    x = 91,780,400,886.72/264,816.80
  6. Step 6: Final answer
    x = 346,580.73

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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.