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Finding the Fourth Proportional to 254,908.50, 351,630.25 and 152,906.82

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Solution

The fourth proportional to 254,908.50, 351,630.25 and 152,906.82 is: 210,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,908.50 : 351,630.25 = 152,906.82 : x
  2. Step 2: Convert to fraction form
    254,908.50/351,630.25 = 152,906.82/x
  3. Step 3: Cross multiply
    254,908.50x = 351,630.25 × 152,906.82
  4. Step 4: Simplify right side
    254,908.50x = 53,766,663,343.31
  5. Step 5: Solve for x
    x = 53,766,663,343.31/254,908.50
  6. Step 6: Final answer
    x = 210,925.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.