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Finding the Fourth Proportional to 783,304, 1,080,966.12 and 425,608

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Solution

The fourth proportional to 783,304, 1,080,966.12 and 425,608 is: 587,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,304 : 1,080,966.12 = 425,608 : x
  2. Step 2: Convert to fraction form
    783,304/1,080,966.12 = 425,608/x
  3. Step 3: Cross multiply
    783,304x = 1,080,966.12 × 425,608
  4. Step 4: Simplify right side
    783,304x = 460,067,828,400.96
  5. Step 5: Solve for x
    x = 460,067,828,400.96/783,304
  6. Step 6: Final answer
    x = 587,342.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.