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Finding the Fourth Proportional to 448,332.54, 618,710.42 and 254,733.84

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Solution

The fourth proportional to 448,332.54, 618,710.42 and 254,733.84 is: 351,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,332.54 : 618,710.42 = 254,733.84 : x
  2. Step 2: Convert to fraction form
    448,332.54/618,710.42 = 254,733.84/x
  3. Step 3: Cross multiply
    448,332.54x = 618,710.42 × 254,733.84
  4. Step 4: Simplify right side
    448,332.54x = 157,606,481,134.61
  5. Step 5: Solve for x
    x = 157,606,481,134.61/448,332.54
  6. Step 6: Final answer
    x = 351,539.24

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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.