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Finding the Fourth Proportional to 313,262.01, 469,893.02 and 76,601.88

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Solution

The fourth proportional to 313,262.01, 469,893.02 and 76,601.88 is: 114,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,262.01 : 469,893.02 = 76,601.88 : x
  2. Step 2: Convert to fraction form
    313,262.01/469,893.02 = 76,601.88/x
  3. Step 3: Cross multiply
    313,262.01x = 469,893.02 × 76,601.88
  4. Step 4: Simplify right side
    313,262.01x = 35,994,688,347.87
  5. Step 5: Solve for x
    x = 35,994,688,347.87/313,262.01
  6. Step 6: Final answer
    x = 114,902.82

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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.