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Finding the Fourth Proportional to 535,016.81, 802,291.91 and 202,359.53

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Solution

The fourth proportional to 535,016.81, 802,291.91 and 202,359.53 is: 303,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,016.81 : 802,291.91 = 202,359.53 : x
  2. Step 2: Convert to fraction form
    535,016.81/802,291.91 = 202,359.53/x
  3. Step 3: Cross multiply
    535,016.81x = 802,291.91 × 202,359.53
  4. Step 4: Simplify right side
    535,016.81x = 162,351,408,807.15
  5. Step 5: Solve for x
    x = 162,351,408,807.15/535,016.81
  6. Step 6: Final answer
    x = 303,451.05

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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.