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Finding the Fourth Proportional to 3,294,310.95, 4,941,010.80 and 1,021,398.30

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Solution

The fourth proportional to 3,294,310.95, 4,941,010.80 and 1,021,398.30 is: 1,531,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294,310.95 : 4,941,010.80 = 1,021,398.30 : x
  2. Step 2: Convert to fraction form
    3,294,310.95/4,941,010.80 = 1,021,398.30/x
  3. Step 3: Cross multiply
    3,294,310.95x = 4,941,010.80 × 1,021,398.30
  4. Step 4: Simplify right side
    3,294,310.95x = 5,046,740,031,401.64
  5. Step 5: Solve for x
    x = 5,046,740,031,401.64/3,294,310.95
  6. Step 6: Final answer
    x = 1,531,956.18

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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.