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Finding the Fourth Proportional to 655,545.83, 983,459.07 and 371,370.69

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Solution

The fourth proportional to 655,545.83, 983,459.07 and 371,370.69 is: 557,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,545.83 : 983,459.07 = 371,370.69 : x
  2. Step 2: Convert to fraction form
    655,545.83/983,459.07 = 371,370.69/x
  3. Step 3: Cross multiply
    655,545.83x = 983,459.07 × 371,370.69
  4. Step 4: Simplify right side
    655,545.83x = 365,227,873,412.66
  5. Step 5: Solve for x
    x = 365,227,873,412.66/655,545.83
  6. Step 6: Final answer
    x = 557,135.53

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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.