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Finding the Fourth Proportional to 710,698.88, 1,066,233 and 212,062.88

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Solution

The fourth proportional to 710,698.88, 1,066,233 and 212,062.88 is: 318,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,698.88 : 1,066,233 = 212,062.88 : x
  2. Step 2: Convert to fraction form
    710,698.88/1,066,233 = 212,062.88/x
  3. Step 3: Cross multiply
    710,698.88x = 1,066,233 × 212,062.88
  4. Step 4: Simplify right side
    710,698.88x = 226,108,435,399.88
  5. Step 5: Solve for x
    x = 226,108,435,399.88/710,698.88
  6. Step 6: Final answer
    x = 318,149.42

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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.