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Finding the Fourth Proportional to 802,530.72, 1,203,697.44 and 465,754.50

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Solution

The fourth proportional to 802,530.72, 1,203,697.44 and 465,754.50 is: 698,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,530.72 : 1,203,697.44 = 465,754.50 : x
  2. Step 2: Convert to fraction form
    802,530.72/1,203,697.44 = 465,754.50/x
  3. Step 3: Cross multiply
    802,530.72x = 1,203,697.44 × 465,754.50
  4. Step 4: Simplify right side
    802,530.72x = 560,627,499,318.48
  5. Step 5: Solve for x
    x = 560,627,499,318.48/802,530.72
  6. Step 6: Final answer
    x = 698,574.50

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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.