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Finding the Fourth Proportional to 301,307.74, 415,803.54 and 165,343.96

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Solution

The fourth proportional to 301,307.74, 415,803.54 and 165,343.96 is: 228,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,307.74 : 415,803.54 = 165,343.96 : x
  2. Step 2: Convert to fraction form
    301,307.74/415,803.54 = 165,343.96/x
  3. Step 3: Cross multiply
    301,307.74x = 415,803.54 × 165,343.96
  4. Step 4: Simplify right side
    301,307.74x = 68,750,603,885.62
  5. Step 5: Solve for x
    x = 68,750,603,885.62/301,307.74
  6. Step 6: Final answer
    x = 228,174.04

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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.