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Finding the Fourth Proportional to 437,416.45, 656,124.69 and 104,992.45

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Solution

The fourth proportional to 437,416.45, 656,124.69 and 104,992.45 is: 157,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,416.45 : 656,124.69 = 104,992.45 : x
  2. Step 2: Convert to fraction form
    437,416.45/656,124.69 = 104,992.45/x
  3. Step 3: Cross multiply
    437,416.45x = 656,124.69 × 104,992.45
  4. Step 4: Simplify right side
    437,416.45x = 68,888,140,562.12
  5. Step 5: Solve for x
    x = 68,888,140,562.12/437,416.45
  6. Step 6: Final answer
    x = 157,488.68

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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.