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Finding the Fourth Proportional to 362,948.72, 500,897.29 and 217,759.97

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Solution

The fourth proportional to 362,948.72, 500,897.29 and 217,759.97 is: 300,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,948.72 : 500,897.29 = 217,759.97 : x
  2. Step 2: Convert to fraction form
    362,948.72/500,897.29 = 217,759.97/x
  3. Step 3: Cross multiply
    362,948.72x = 500,897.29 × 217,759.97
  4. Step 4: Simplify right side
    362,948.72x = 109,075,378,843.48
  5. Step 5: Solve for x
    x = 109,075,378,843.48/362,948.72
  6. Step 6: Final answer
    x = 300,525.59

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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.