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Finding the Fourth Proportional to 591,344.40, 886,530.60 and 254,643.60

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Solution

The fourth proportional to 591,344.40, 886,530.60 and 254,643.60 is: 381,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,344.40 : 886,530.60 = 254,643.60 : x
  2. Step 2: Convert to fraction form
    591,344.40/886,530.60 = 254,643.60/x
  3. Step 3: Cross multiply
    591,344.40x = 886,530.60 × 254,643.60
  4. Step 4: Simplify right side
    591,344.40x = 225,749,343,494.16
  5. Step 5: Solve for x
    x = 225,749,343,494.16/591,344.40
  6. Step 6: Final answer
    x = 381,756.12

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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.