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Finding the Fourth Proportional to 535,258.74, 802,888.38 and 161,281.74

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Solution

The fourth proportional to 535,258.74, 802,888.38 and 161,281.74 is: 241,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,258.74 : 802,888.38 = 161,281.74 : x
  2. Step 2: Convert to fraction form
    535,258.74/802,888.38 = 161,281.74/x
  3. Step 3: Cross multiply
    535,258.74x = 802,888.38 × 161,281.74
  4. Step 4: Simplify right side
    535,258.74x = 129,491,234,952.18
  5. Step 5: Solve for x
    x = 129,491,234,952.18/535,258.74
  6. Step 6: Final answer
    x = 241,922.69

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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.