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Finding the Fourth Proportional to 802,162.70, 1,203,568.05 and 352,969.10

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Solution

The fourth proportional to 802,162.70, 1,203,568.05 and 352,969.10 is: 529,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,162.70 : 1,203,568.05 = 352,969.10 : x
  2. Step 2: Convert to fraction form
    802,162.70/1,203,568.05 = 352,969.10/x
  3. Step 3: Cross multiply
    802,162.70x = 1,203,568.05 × 352,969.10
  4. Step 4: Simplify right side
    802,162.70x = 424,822,331,397.26
  5. Step 5: Solve for x
    x = 424,822,331,397.26/802,162.70
  6. Step 6: Final answer
    x = 529,596.22

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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.