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Finding the Fourth Proportional to 253,496.36, 349,805.52 and 145,994.38

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Solution

The fourth proportional to 253,496.36, 349,805.52 and 145,994.38 is: 201,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,496.36 : 349,805.52 = 145,994.38 : x
  2. Step 2: Convert to fraction form
    253,496.36/349,805.52 = 145,994.38/x
  3. Step 3: Cross multiply
    253,496.36x = 349,805.52 × 145,994.38
  4. Step 4: Simplify right side
    253,496.36x = 51,069,640,012.98
  5. Step 5: Solve for x
    x = 51,069,640,012.98/253,496.36
  6. Step 6: Final answer
    x = 201,461.04

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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.