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Finding the Fourth Proportional to 535,015.93, 802,290.59 and 202,358.65

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Solution

The fourth proportional to 535,015.93, 802,290.59 and 202,358.65 is: 303,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,015.93 : 802,290.59 = 202,358.65 : x
  2. Step 2: Convert to fraction form
    535,015.93/802,290.59 = 202,358.65/x
  3. Step 3: Cross multiply
    535,015.93x = 802,290.59 × 202,358.65
  4. Step 4: Simplify right side
    535,015.93x = 162,350,439,200.27
  5. Step 5: Solve for x
    x = 162,350,439,200.27/535,015.93
  6. Step 6: Final answer
    x = 303,449.73

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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.