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Finding the Fourth Proportional to 250,909.97, 346,322.13 and 155,362.37

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Solution

The fourth proportional to 250,909.97, 346,322.13 and 155,362.37 is: 214,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,909.97 : 346,322.13 = 155,362.37 : x
  2. Step 2: Convert to fraction form
    250,909.97/346,322.13 = 155,362.37/x
  3. Step 3: Cross multiply
    250,909.97x = 346,322.13 × 155,362.37
  4. Step 4: Simplify right side
    250,909.97x = 53,805,426,900.25
  5. Step 5: Solve for x
    x = 53,805,426,900.25/250,909.97
  6. Step 6: Final answer
    x = 214,441.17

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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.