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Finding the Fourth Proportional to 301,587.06, 416,173.91 and 172,528.10

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Solution

The fourth proportional to 301,587.06, 416,173.91 and 172,528.10 is: 238,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,587.06 : 416,173.91 = 172,528.10 : x
  2. Step 2: Convert to fraction form
    301,587.06/416,173.91 = 172,528.10/x
  3. Step 3: Cross multiply
    301,587.06x = 416,173.91 × 172,528.10
  4. Step 4: Simplify right side
    301,587.06x = 71,801,691,018.36
  5. Step 5: Solve for x
    x = 71,801,691,018.36/301,587.06
  6. Step 6: Final answer
    x = 238,079.48

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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.