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Finding the Fourth Proportional to 2,630,981.04, 3,630,753.76 and 1,423,757.04

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Solution

The fourth proportional to 2,630,981.04, 3,630,753.76 and 1,423,757.04 is: 1,964,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,981.04 : 3,630,753.76 = 1,423,757.04 : x
  2. Step 2: Convert to fraction form
    2,630,981.04/3,630,753.76 = 1,423,757.04/x
  3. Step 3: Cross multiply
    2,630,981.04x = 3,630,753.76 × 1,423,757.04
  4. Step 4: Simplify right side
    2,630,981.04x = 5,169,311,226,306.47
  5. Step 5: Solve for x
    x = 5,169,311,226,306.47/2,630,981.04
  6. Step 6: Final answer
    x = 1,964,784.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.