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Finding the Fourth Proportional to 2,470,329.92, 3,705,849.05 and 764,623.01

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Solution

The fourth proportional to 2,470,329.92, 3,705,849.05 and 764,623.01 is: 1,147,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,329.92 : 3,705,849.05 = 764,623.01 : x
  2. Step 2: Convert to fraction form
    2,470,329.92/3,705,849.05 = 764,623.01/x
  3. Step 3: Cross multiply
    2,470,329.92x = 3,705,849.05 × 764,623.01
  4. Step 4: Simplify right side
    2,470,329.92x = 2,833,577,432,864.28
  5. Step 5: Solve for x
    x = 2,833,577,432,864.28/2,470,329.92
  6. Step 6: Final answer
    x = 1,147,044.13

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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.