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Finding the Fourth Proportional to 301,235.22, 415,580.13 and 173,820.42

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Solution

The fourth proportional to 301,235.22, 415,580.13 and 173,820.42 is: 239,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,235.22 : 415,580.13 = 173,820.42 : x
  2. Step 2: Convert to fraction form
    301,235.22/415,580.13 = 173,820.42/x
  3. Step 3: Cross multiply
    301,235.22x = 415,580.13 × 173,820.42
  4. Step 4: Simplify right side
    301,235.22x = 72,236,312,740.25
  5. Step 5: Solve for x
    x = 72,236,312,740.25/301,235.22
  6. Step 6: Final answer
    x = 239,800.36

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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.