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Finding the Fourth Proportional to 301,146.72, 415,590.84 and 173,829.12

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Solution

The fourth proportional to 301,146.72, 415,590.84 and 173,829.12 is: 239,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,146.72 : 415,590.84 = 173,829.12 : x
  2. Step 2: Convert to fraction form
    301,146.72/415,590.84 = 173,829.12/x
  3. Step 3: Cross multiply
    301,146.72x = 415,590.84 × 173,829.12
  4. Step 4: Simplify right side
    301,146.72x = 72,241,789,997.26
  5. Step 5: Solve for x
    x = 72,241,789,997.26/301,146.72
  6. Step 6: Final answer
    x = 239,889.01

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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.