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Finding the Fourth Proportional to 238,992.71, 358,365.56 and 70,491.58

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Solution

The fourth proportional to 238,992.71, 358,365.56 and 70,491.58 is: 105,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,992.71 : 358,365.56 = 70,491.58 : x
  2. Step 2: Convert to fraction form
    238,992.71/358,365.56 = 70,491.58/x
  3. Step 3: Cross multiply
    238,992.71x = 358,365.56 × 70,491.58
  4. Step 4: Simplify right side
    238,992.71x = 25,261,753,293.61
  5. Step 5: Solve for x
    x = 25,261,753,293.61/238,992.71
  6. Step 6: Final answer
    x = 105,700.94

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1.5x scale

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.