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Finding the Fourth Proportional to 2,913,580.02, 4,370,768.88 and 993,975.84

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Solution

The fourth proportional to 2,913,580.02, 4,370,768.88 and 993,975.84 is: 1,491,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,580.02 : 4,370,768.88 = 993,975.84 : x
  2. Step 2: Convert to fraction form
    2,913,580.02/4,370,768.88 = 993,975.84/x
  3. Step 3: Cross multiply
    2,913,580.02x = 4,370,768.88 × 993,975.84
  4. Step 4: Simplify right side
    2,913,580.02x = 4,344,438,668,943.86
  5. Step 5: Solve for x
    x = 4,344,438,668,943.86/2,913,580.02
  6. Step 6: Final answer
    x = 1,491,099.83

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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.