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Finding the Fourth Proportional to 622,920, 934,536.06 and 179,688

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Solution

The fourth proportional to 622,920, 934,536.06 and 179,688 is: 269,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,920 : 934,536.06 = 179,688 : x
  2. Step 2: Convert to fraction form
    622,920/934,536.06 = 179,688/x
  3. Step 3: Cross multiply
    622,920x = 934,536.06 × 179,688
  4. Step 4: Simplify right side
    622,920x = 167,924,915,549.28
  5. Step 5: Solve for x
    x = 167,924,915,549.28/622,920
  6. Step 6: Final answer
    x = 269,577.02

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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.