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Finding the Fourth Proportional to 1,749,686.64, 2,398,820.08 and 1,717,800.16

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Solution

The fourth proportional to 1,749,686.64, 2,398,820.08 and 1,717,800.16 is: 2,355,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,686.64 : 2,398,820.08 = 1,717,800.16 : x
  2. Step 2: Convert to fraction form
    1,749,686.64/2,398,820.08 = 1,717,800.16/x
  3. Step 3: Cross multiply
    1,749,686.64x = 2,398,820.08 × 1,717,800.16
  4. Step 4: Simplify right side
    1,749,686.64x = 4,120,693,517,235.21
  5. Step 5: Solve for x
    x = 4,120,693,517,235.21/1,749,686.64
  6. Step 6: Final answer
    x = 2,355,103.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.