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Finding the Fourth Proportional to 329,887.04, 455,353.80 and 234,669.92

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Solution

The fourth proportional to 329,887.04, 455,353.80 and 234,669.92 is: 323,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,887.04 : 455,353.80 = 234,669.92 : x
  2. Step 2: Convert to fraction form
    329,887.04/455,353.80 = 234,669.92/x
  3. Step 3: Cross multiply
    329,887.04x = 455,353.80 × 234,669.92
  4. Step 4: Simplify right side
    329,887.04x = 106,857,839,817.70
  5. Step 5: Solve for x
    x = 106,857,839,817.70/329,887.04
  6. Step 6: Final answer
    x = 323,922.52

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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.