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Finding the Fourth Proportional to 1,700,687.98, 2,346,948.96 and 936,741.54

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Solution

The fourth proportional to 1,700,687.98, 2,346,948.96 and 936,741.54 is: 1,292,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,687.98 : 2,346,948.96 = 936,741.54 : x
  2. Step 2: Convert to fraction form
    1,700,687.98/2,346,948.96 = 936,741.54/x
  3. Step 3: Cross multiply
    1,700,687.98x = 2,346,948.96 × 936,741.54
  4. Step 4: Simplify right side
    1,700,687.98x = 2,198,484,583,091.80
  5. Step 5: Solve for x
    x = 2,198,484,583,091.80/1,700,687.98
  6. Step 6: Final answer
    x = 1,292,703.08

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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.