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Finding the Fourth Proportional to 401,037.55, 601,556.77 and 101,518.11

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Solution

The fourth proportional to 401,037.55, 601,556.77 and 101,518.11 is: 152,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,037.55 : 601,556.77 = 101,518.11 : x
  2. Step 2: Convert to fraction form
    401,037.55/601,556.77 = 101,518.11/x
  3. Step 3: Cross multiply
    401,037.55x = 601,556.77 × 101,518.11
  4. Step 4: Simplify right side
    401,037.55x = 61,068,906,475.00
  5. Step 5: Solve for x
    x = 61,068,906,475.00/401,037.55
  6. Step 6: Final answer
    x = 152,277.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.