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Finding the Fourth Proportional to 366,984.77, 550,478.00 and 100,748.93

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Solution

The fourth proportional to 366,984.77, 550,478.00 and 100,748.93 is: 151,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984.77 : 550,478.00 = 100,748.93 : x
  2. Step 2: Convert to fraction form
    366,984.77/550,478.00 = 100,748.93/x
  3. Step 3: Cross multiply
    366,984.77x = 550,478.00 × 100,748.93
  4. Step 4: Simplify right side
    366,984.77x = 55,460,068,984.80
  5. Step 5: Solve for x
    x = 55,460,068,984.80/366,984.77
  6. Step 6: Final answer
    x = 151,123.63

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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.