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Finding the Fourth Proportional to 619,260, 929,046.06 and 176,028

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Solution

The fourth proportional to 619,260, 929,046.06 and 176,028 is: 264,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,260 : 929,046.06 = 176,028 : x
  2. Step 2: Convert to fraction form
    619,260/929,046.06 = 176,028/x
  3. Step 3: Cross multiply
    619,260x = 929,046.06 × 176,028
  4. Step 4: Simplify right side
    619,260x = 163,538,119,849.68
  5. Step 5: Solve for x
    x = 163,538,119,849.68/619,260
  6. Step 6: Final answer
    x = 264,086.36

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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.