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Finding the Fourth Proportional to 3,607,567.50, 4,978,444.37 and 1,976,002.17

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Solution

The fourth proportional to 3,607,567.50, 4,978,444.37 and 1,976,002.17 is: 2,726,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,567.50 : 4,978,444.37 = 1,976,002.17 : x
  2. Step 2: Convert to fraction form
    3,607,567.50/4,978,444.37 = 1,976,002.17/x
  3. Step 3: Cross multiply
    3,607,567.50x = 4,978,444.37 × 1,976,002.17
  4. Step 4: Simplify right side
    3,607,567.50x = 9,837,416,868,464.27
  5. Step 5: Solve for x
    x = 9,837,416,868,464.27/3,607,567.50
  6. Step 6: Final answer
    x = 2,726,883.66

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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.