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Finding the Fourth Proportional to 535,016.18, 802,290.97 and 202,358.90

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Solution

The fourth proportional to 535,016.18, 802,290.97 and 202,358.90 is: 303,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,016.18 : 802,290.97 = 202,358.90 : x
  2. Step 2: Convert to fraction form
    535,016.18/802,290.97 = 202,358.90/x
  3. Step 3: Cross multiply
    535,016.18x = 802,290.97 × 202,358.90
  4. Step 4: Simplify right side
    535,016.18x = 162,350,715,657.51
  5. Step 5: Solve for x
    x = 162,350,715,657.51/535,016.18
  6. Step 6: Final answer
    x = 303,450.11

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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.