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Finding the Fourth Proportional to 589,745.88, 884,611.53 and 415,921.77

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Solution

The fourth proportional to 589,745.88, 884,611.53 and 415,921.77 is: 623,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,745.88 : 884,611.53 = 415,921.77 : x
  2. Step 2: Convert to fraction form
    589,745.88/884,611.53 = 415,921.77/x
  3. Step 3: Cross multiply
    589,745.88x = 884,611.53 × 415,921.77
  4. Step 4: Simplify right side
    589,745.88x = 367,929,193,320.01
  5. Step 5: Solve for x
    x = 367,929,193,320.01/589,745.88
  6. Step 6: Final answer
    x = 623,877.51

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1.5x scale

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.