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Finding the Fourth Proportional to 591,240.60, 887,079.60 and 191,894.40

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Solution

The fourth proportional to 591,240.60, 887,079.60 and 191,894.40 is: 287,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,240.60 : 887,079.60 = 191,894.40 : x
  2. Step 2: Convert to fraction form
    591,240.60/887,079.60 = 191,894.40/x
  3. Step 3: Cross multiply
    591,240.60x = 887,079.60 × 191,894.40
  4. Step 4: Simplify right side
    591,240.60x = 170,225,607,594.24
  5. Step 5: Solve for x
    x = 170,225,607,594.24/591,240.60
  6. Step 6: Final answer
    x = 287,912.58

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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.