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Finding the Fourth Proportional to 301,656.58, 416,314.98 and 172,569.42

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Solution

The fourth proportional to 301,656.58, 416,314.98 and 172,569.42 is: 238,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,656.58 : 416,314.98 = 172,569.42 : x
  2. Step 2: Convert to fraction form
    301,656.58/416,314.98 = 172,569.42/x
  3. Step 3: Cross multiply
    301,656.58x = 416,314.98 × 172,569.42
  4. Step 4: Simplify right side
    301,656.58x = 71,843,234,635.91
  5. Step 5: Solve for x
    x = 71,843,234,635.91/301,656.58
  6. Step 6: Final answer
    x = 238,162.33

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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.