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Finding the Fourth Proportional to 591,206.80, 886,291.80 and 354,643.60

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Solution

The fourth proportional to 591,206.80, 886,291.80 and 354,643.60 is: 531,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,206.80 : 886,291.80 = 354,643.60 : x
  2. Step 2: Convert to fraction form
    591,206.80/886,291.80 = 354,643.60/x
  3. Step 3: Cross multiply
    591,206.80x = 886,291.80 × 354,643.60
  4. Step 4: Simplify right side
    591,206.80x = 314,317,714,602.48
  5. Step 5: Solve for x
    x = 314,317,714,602.48/591,206.80
  6. Step 6: Final answer
    x = 531,654.43

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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.