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Finding the Fourth Proportional to 301,248.32, 415,737.77 and 172,193.45

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Solution

The fourth proportional to 301,248.32, 415,737.77 and 172,193.45 is: 237,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,248.32 : 415,737.77 = 172,193.45 : x
  2. Step 2: Convert to fraction form
    301,248.32/415,737.77 = 172,193.45/x
  3. Step 3: Cross multiply
    301,248.32x = 415,737.77 × 172,193.45
  4. Step 4: Simplify right side
    301,248.32x = 71,587,317,971.95
  5. Step 5: Solve for x
    x = 71,587,317,971.95/301,248.32
  6. Step 6: Final answer
    x = 237,635.58

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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.