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Finding the Fourth Proportional to 587,603.86, 881,406.08 and 387,877.57

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Solution

The fourth proportional to 587,603.86, 881,406.08 and 387,877.57 is: 581,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,603.86 : 881,406.08 = 387,877.57 : x
  2. Step 2: Convert to fraction form
    587,603.86/881,406.08 = 387,877.57/x
  3. Step 3: Cross multiply
    587,603.86x = 881,406.08 × 387,877.57
  4. Step 4: Simplify right side
    587,603.86x = 341,877,647,987.08
  5. Step 5: Solve for x
    x = 341,877,647,987.08/587,603.86
  6. Step 6: Final answer
    x = 581,816.54

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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.