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Finding the Fourth Proportional to 1,983,701.85, 2,975,832.99 and 635,549.10

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Solution

The fourth proportional to 1,983,701.85, 2,975,832.99 and 635,549.10 is: 953,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,701.85 : 2,975,832.99 = 635,549.10 : x
  2. Step 2: Convert to fraction form
    1,983,701.85/2,975,832.99 = 635,549.10/x
  3. Step 3: Cross multiply
    1,983,701.85x = 2,975,832.99 × 635,549.10
  4. Step 4: Simplify right side
    1,983,701.85x = 1,891,287,978,544.81
  5. Step 5: Solve for x
    x = 1,891,287,978,544.81/1,983,701.85
  6. Step 6: Final answer
    x = 953,413.43

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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.