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Finding the Fourth Proportional to 2,644,393.02, 3,966,615.45 and 1,047,345.18

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Solution

The fourth proportional to 2,644,393.02, 3,966,615.45 and 1,047,345.18 is: 1,571,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,393.02 : 3,966,615.45 = 1,047,345.18 : x
  2. Step 2: Convert to fraction form
    2,644,393.02/3,966,615.45 = 1,047,345.18/x
  3. Step 3: Cross multiply
    2,644,393.02x = 3,966,615.45 × 1,047,345.18
  4. Step 4: Simplify right side
    2,644,393.02x = 4,154,415,572,471.03
  5. Step 5: Solve for x
    x = 4,154,415,572,471.03/2,644,393.02
  6. Step 6: Final answer
    x = 1,571,028.04

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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.