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Finding the Fourth Proportional to 365,691, 503,601.03 and 301,438.36

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Solution

The fourth proportional to 365,691, 503,601.03 and 301,438.36 is: 415,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,691 : 503,601.03 = 301,438.36 : x
  2. Step 2: Convert to fraction form
    365,691/503,601.03 = 301,438.36/x
  3. Step 3: Cross multiply
    365,691x = 503,601.03 × 301,438.36
  4. Step 4: Simplify right side
    365,691x = 151,804,664,552.31
  5. Step 5: Solve for x
    x = 151,804,664,552.31/365,691
  6. Step 6: Final answer
    x = 415,117.31

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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.