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Finding the Fourth Proportional to 221,046.84, 304,723.44 and 152,960.04

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Solution

The fourth proportional to 221,046.84, 304,723.44 and 152,960.04 is: 210,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,046.84 : 304,723.44 = 152,960.04 : x
  2. Step 2: Convert to fraction form
    221,046.84/304,723.44 = 152,960.04/x
  3. Step 3: Cross multiply
    221,046.84x = 304,723.44 × 152,960.04
  4. Step 4: Simplify right side
    221,046.84x = 46,610,509,571.34
  5. Step 5: Solve for x
    x = 46,610,509,571.34/221,046.84
  6. Step 6: Final answer
    x = 210,862.59

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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.