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Finding the Fourth Proportional to 2,799,159.02, 4,198,710.84 and 1,282,411.64

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Solution

The fourth proportional to 2,799,159.02, 4,198,710.84 and 1,282,411.64 is: 1,923,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,159.02 : 4,198,710.84 = 1,282,411.64 : x
  2. Step 2: Convert to fraction form
    2,799,159.02/4,198,710.84 = 1,282,411.64/x
  3. Step 3: Cross multiply
    2,799,159.02x = 4,198,710.84 × 1,282,411.64
  4. Step 4: Simplify right side
    2,799,159.02x = 5,384,475,654,210.18
  5. Step 5: Solve for x
    x = 5,384,475,654,210.18/2,799,159.02
  6. Step 6: Final answer
    x = 1,923,604.77

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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.