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Finding the Fourth Proportional to 1,789,411.52, 2,468,574.08 and 1,063,847.60

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Solution

The fourth proportional to 1,789,411.52, 2,468,574.08 and 1,063,847.60 is: 1,467,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,411.52 : 2,468,574.08 = 1,063,847.60 : x
  2. Step 2: Convert to fraction form
    1,789,411.52/2,468,574.08 = 1,063,847.60/x
  3. Step 3: Cross multiply
    1,789,411.52x = 2,468,574.08 × 1,063,847.60
  4. Step 4: Simplify right side
    1,789,411.52x = 2,626,186,610,430.21
  5. Step 5: Solve for x
    x = 2,626,186,610,430.21/1,789,411.52
  6. Step 6: Final answer
    x = 1,467,625.85

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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.