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Finding the Fourth Proportional to 591,277.76, 887,137 and 354,790.16

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Solution

The fourth proportional to 591,277.76, 887,137 and 354,790.16 is: 532,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,277.76 : 887,137 = 354,790.16 : x
  2. Step 2: Convert to fraction form
    591,277.76/887,137 = 354,790.16/x
  3. Step 3: Cross multiply
    591,277.76x = 887,137 × 354,790.16
  4. Step 4: Simplify right side
    591,277.76x = 314,747,478,171.92
  5. Step 5: Solve for x
    x = 314,747,478,171.92/591,277.76
  6. Step 6: Final answer
    x = 532,317.46

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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.