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Finding the Fourth Proportional to 306,796.04, 423,397.77 and 168,974.94

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Solution

The fourth proportional to 306,796.04, 423,397.77 and 168,974.94 is: 233,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,796.04 : 423,397.77 = 168,974.94 : x
  2. Step 2: Convert to fraction form
    306,796.04/423,397.77 = 168,974.94/x
  3. Step 3: Cross multiply
    306,796.04x = 423,397.77 × 168,974.94
  4. Step 4: Simplify right side
    306,796.04x = 71,543,611,937.01
  5. Step 5: Solve for x
    x = 71,543,611,937.01/306,796.04
  6. Step 6: Final answer
    x = 233,196.01

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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.