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Finding the Fourth Proportional to 562,279.72, 843,287.10 and 207,100.84

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Solution

The fourth proportional to 562,279.72, 843,287.10 and 207,100.84 is: 310,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,279.72 : 843,287.10 = 207,100.84 : x
  2. Step 2: Convert to fraction form
    562,279.72/843,287.10 = 207,100.84/x
  3. Step 3: Cross multiply
    562,279.72x = 843,287.10 × 207,100.84
  4. Step 4: Simplify right side
    562,279.72x = 174,645,466,771.16
  5. Step 5: Solve for x
    x = 174,645,466,771.16/562,279.72
  6. Step 6: Final answer
    x = 310,602.46

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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.