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Finding the Fourth Proportional to 655,424.33, 983,276.89 and 371,249.19

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Solution

The fourth proportional to 655,424.33, 983,276.89 and 371,249.19 is: 556,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,424.33 : 983,276.89 = 371,249.19 : x
  2. Step 2: Convert to fraction form
    655,424.33/983,276.89 = 371,249.19/x
  3. Step 3: Cross multiply
    655,424.33x = 983,276.89 × 371,249.19
  4. Step 4: Simplify right side
    655,424.33x = 365,040,748,030.10
  5. Step 5: Solve for x
    x = 365,040,748,030.10/655,424.33
  6. Step 6: Final answer
    x = 556,953.31

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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.