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Finding the Fourth Proportional to 4,821,411.07, 7,231,673.73 and 1,626,564.93

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Solution

The fourth proportional to 4,821,411.07, 7,231,673.73 and 1,626,564.93 is: 2,439,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,411.07 : 7,231,673.73 = 1,626,564.93 : x
  2. Step 2: Convert to fraction form
    4,821,411.07/7,231,673.73 = 1,626,564.93/x
  3. Step 3: Cross multiply
    4,821,411.07x = 7,231,673.73 × 1,626,564.93
  4. Step 4: Simplify right side
    4,821,411.07x = 11,762,786,874,420.29
  5. Step 5: Solve for x
    x = 11,762,786,874,420.29/4,821,411.07
  6. Step 6: Final answer
    x = 2,439,697.99

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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.