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Finding the Fourth Proportional to 501,994.96, 752,992.71 and 315,137.68

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Solution

The fourth proportional to 501,994.96, 752,992.71 and 315,137.68 is: 472,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,994.96 : 752,992.71 = 315,137.68 : x
  2. Step 2: Convert to fraction form
    501,994.96/752,992.71 = 315,137.68/x
  3. Step 3: Cross multiply
    501,994.96x = 752,992.71 × 315,137.68
  4. Step 4: Simplify right side
    501,994.96x = 237,296,373,803.83
  5. Step 5: Solve for x
    x = 237,296,373,803.83/501,994.96
  6. Step 6: Final answer
    x = 472,706.69

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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.