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Finding the Fourth Proportional to 591,813.06, 887,943.06 and 355,320.60

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Solution

The fourth proportional to 591,813.06, 887,943.06 and 355,320.60 is: 533,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,813.06 : 887,943.06 = 355,320.60 : x
  2. Step 2: Convert to fraction form
    591,813.06/887,943.06 = 355,320.60/x
  3. Step 3: Cross multiply
    591,813.06x = 887,943.06 × 355,320.60
  4. Step 4: Simplify right side
    591,813.06x = 315,504,460,845.04
  5. Step 5: Solve for x
    x = 315,504,460,845.04/591,813.06
  6. Step 6: Final answer
    x = 533,115.07

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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.