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Finding the Fourth Proportional to 364,037.10, 545,958.45 and 111,317.10

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Solution

The fourth proportional to 364,037.10, 545,958.45 and 111,317.10 is: 166,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,037.10 : 545,958.45 = 111,317.10 : x
  2. Step 2: Convert to fraction form
    364,037.10/545,958.45 = 111,317.10/x
  3. Step 3: Cross multiply
    364,037.10x = 545,958.45 × 111,317.10
  4. Step 4: Simplify right side
    364,037.10x = 60,774,511,374.50
  5. Step 5: Solve for x
    x = 60,774,511,374.50/364,037.10
  6. Step 6: Final answer
    x = 166,945.93

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Double scale
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Similar ratio
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1.5x scale

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.