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Finding the Fourth Proportional to 2,788,366.40, 4,182,463.20 and 793,822.40

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Solution

The fourth proportional to 2,788,366.40, 4,182,463.20 and 793,822.40 is: 1,190,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,366.40 : 4,182,463.20 = 793,822.40 : x
  2. Step 2: Convert to fraction form
    2,788,366.40/4,182,463.20 = 793,822.40/x
  3. Step 3: Cross multiply
    2,788,366.40x = 4,182,463.20 × 793,822.40
  4. Step 4: Simplify right side
    2,788,366.40x = 3,320,132,975,335.68
  5. Step 5: Solve for x
    x = 3,320,132,975,335.68/2,788,366.40
  6. Step 6: Final answer
    x = 1,190,709.00

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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.