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Finding the Fourth Proportional to 302,348.55, 417,258.24 and 173,308.51

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Solution

The fourth proportional to 302,348.55, 417,258.24 and 173,308.51 is: 239,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,348.55 : 417,258.24 = 173,308.51 : x
  2. Step 2: Convert to fraction form
    302,348.55/417,258.24 = 173,308.51/x
  3. Step 3: Cross multiply
    302,348.55x = 417,258.24 × 173,308.51
  4. Step 4: Simplify right side
    302,348.55x = 72,314,403,731.29
  5. Step 5: Solve for x
    x = 72,314,403,731.29/302,348.55
  6. Step 6: Final answer
    x = 239,175.63

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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.