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Finding the Fourth Proportional to 1,697,976.21, 2,342,867.31 and 973,051.32

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Solution

The fourth proportional to 1,697,976.21, 2,342,867.31 and 973,051.32 is: 1,342,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,976.21 : 2,342,867.31 = 973,051.32 : x
  2. Step 2: Convert to fraction form
    1,697,976.21/2,342,867.31 = 973,051.32/x
  3. Step 3: Cross multiply
    1,697,976.21x = 2,342,867.31 × 973,051.32
  4. Step 4: Simplify right side
    1,697,976.21x = 2,279,730,128,580.35
  5. Step 5: Solve for x
    x = 2,279,730,128,580.35/1,697,976.21
  6. Step 6: Final answer
    x = 1,342,616.06

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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.