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Finding the Fourth Proportional to 1,603,839.24, 2,405,039.82 and 955,721.10

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Solution

The fourth proportional to 1,603,839.24, 2,405,039.82 and 955,721.10 is: 1,433,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,839.24 : 2,405,039.82 = 955,721.10 : x
  2. Step 2: Convert to fraction form
    1,603,839.24/2,405,039.82 = 955,721.10/x
  3. Step 3: Cross multiply
    1,603,839.24x = 2,405,039.82 × 955,721.10
  4. Step 4: Simplify right side
    1,603,839.24x = 2,298,547,302,314.20
  5. Step 5: Solve for x
    x = 2,298,547,302,314.20/1,603,839.24
  6. Step 6: Final answer
    x = 1,433,153.18

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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.