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Finding the Fourth Proportional to 4,784,310.06, 7,176,491.06 and 1,190,077.11

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Solution

The fourth proportional to 4,784,310.06, 7,176,491.06 and 1,190,077.11 is: 1,785,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784,310.06 : 7,176,491.06 = 1,190,077.11 : x
  2. Step 2: Convert to fraction form
    4,784,310.06/7,176,491.06 = 1,190,077.11/x
  3. Step 3: Cross multiply
    4,784,310.06x = 7,176,491.06 × 1,190,077.11
  4. Step 4: Simplify right side
    4,784,310.06x = 8,540,577,734,675.25
  5. Step 5: Solve for x
    x = 8,540,577,734,675.25/4,784,310.06
  6. Step 6: Final answer
    x = 1,785,122.13

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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.