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Finding the Fourth Proportional to 302,104.01, 416,785.53 and 172,973.46

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Solution

The fourth proportional to 302,104.01, 416,785.53 and 172,973.46 is: 238,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,104.01 : 416,785.53 = 172,973.46 : x
  2. Step 2: Convert to fraction form
    302,104.01/416,785.53 = 172,973.46/x
  3. Step 3: Cross multiply
    302,104.01x = 416,785.53 × 172,973.46
  4. Step 4: Simplify right side
    302,104.01x = 72,092,835,202.03
  5. Step 5: Solve for x
    x = 72,092,835,202.03/302,104.01
  6. Step 6: Final answer
    x = 238,635.81

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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.