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Finding the Fourth Proportional to 544,907.68, 817,601.28 and 278,887.48

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Solution

The fourth proportional to 544,907.68, 817,601.28 and 278,887.48 is: 418,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,907.68 : 817,601.28 = 278,887.48 : x
  2. Step 2: Convert to fraction form
    544,907.68/817,601.28 = 278,887.48/x
  3. Step 3: Cross multiply
    544,907.68x = 817,601.28 × 278,887.48
  4. Step 4: Simplify right side
    544,907.68x = 228,018,760,623.97
  5. Step 5: Solve for x
    x = 228,018,760,623.97/544,907.68
  6. Step 6: Final answer
    x = 418,453.93

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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.