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Finding the Fourth Proportional to 591,902.66, 888,077.57 and 355,409.66

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Solution

The fourth proportional to 591,902.66, 888,077.57 and 355,409.66 is: 533,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,902.66 : 888,077.57 = 355,409.66 : x
  2. Step 2: Convert to fraction form
    591,902.66/888,077.57 = 355,409.66/x
  3. Step 3: Cross multiply
    591,902.66x = 888,077.57 × 355,409.66
  4. Step 4: Simplify right side
    591,902.66x = 315,631,345,430.28
  5. Step 5: Solve for x
    x = 315,631,345,430.28/591,902.66
  6. Step 6: Final answer
    x = 533,248.74

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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.