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Finding the Fourth Proportional to 369,361.89, 510,139.77 and 248,293.20

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Solution

The fourth proportional to 369,361.89, 510,139.77 and 248,293.20 is: 342,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,361.89 : 510,139.77 = 248,293.20 : x
  2. Step 2: Convert to fraction form
    369,361.89/510,139.77 = 248,293.20/x
  3. Step 3: Cross multiply
    369,361.89x = 510,139.77 × 248,293.20
  4. Step 4: Simplify right side
    369,361.89x = 126,664,235,940.56
  5. Step 5: Solve for x
    x = 126,664,235,940.56/369,361.89
  6. Step 6: Final answer
    x = 342,927.19

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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.