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Finding the Fourth Proportional to 1,734,739.92, 2,602,351.80 and 788,348.88

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Solution

The fourth proportional to 1,734,739.92, 2,602,351.80 and 788,348.88 is: 1,182,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,739.92 : 2,602,351.80 = 788,348.88 : x
  2. Step 2: Convert to fraction form
    1,734,739.92/2,602,351.80 = 788,348.88/x
  3. Step 3: Cross multiply
    1,734,739.92x = 2,602,351.80 × 788,348.88
  4. Step 4: Simplify right side
    1,734,739.92x = 2,051,561,126,895.98
  5. Step 5: Solve for x
    x = 2,051,561,126,895.98/1,734,739.92
  6. Step 6: Final answer
    x = 1,182,633.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.