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Finding the Fourth Proportional to 374,728.83, 562,100.54 and 137,949.63

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Solution

The fourth proportional to 374,728.83, 562,100.54 and 137,949.63 is: 206,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,728.83 : 562,100.54 = 137,949.63 : x
  2. Step 2: Convert to fraction form
    374,728.83/562,100.54 = 137,949.63/x
  3. Step 3: Cross multiply
    374,728.83x = 562,100.54 × 137,949.63
  4. Step 4: Simplify right side
    374,728.83x = 77,541,560,826.05
  5. Step 5: Solve for x
    x = 77,541,560,826.05/374,728.83
  6. Step 6: Final answer
    x = 206,927.13

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1.5x scale

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.