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Finding the Fourth Proportional to 562,457.12, 843,511.86 and 163,127.25

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Solution

The fourth proportional to 562,457.12, 843,511.86 and 163,127.25 is: 244,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,457.12 : 843,511.86 = 163,127.25 : x
  2. Step 2: Convert to fraction form
    562,457.12/843,511.86 = 163,127.25/x
  3. Step 3: Cross multiply
    562,457.12x = 843,511.86 × 163,127.25
  4. Step 4: Simplify right side
    562,457.12x = 137,599,770,064.19
  5. Step 5: Solve for x
    x = 137,599,770,064.19/562,457.12
  6. Step 6: Final answer
    x = 244,640.46

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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.