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Finding the Fourth Proportional to 562,649.76, 843,974.91 and 247,109.40

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Solution

The fourth proportional to 562,649.76, 843,974.91 and 247,109.40 is: 370,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,649.76 : 843,974.91 = 247,109.40 : x
  2. Step 2: Convert to fraction form
    562,649.76/843,974.91 = 247,109.40/x
  3. Step 3: Cross multiply
    562,649.76x = 843,974.91 × 247,109.40
  4. Step 4: Simplify right side
    562,649.76x = 208,554,133,625.15
  5. Step 5: Solve for x
    x = 208,554,133,625.15/562,649.76
  6. Step 6: Final answer
    x = 370,664.22

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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.