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Finding the Fourth Proportional to 411,649.52, 617,228.24 and 158,720.27

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Solution

The fourth proportional to 411,649.52, 617,228.24 and 158,720.27 is: 237,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,649.52 : 617,228.24 = 158,720.27 : x
  2. Step 2: Convert to fraction form
    411,649.52/617,228.24 = 158,720.27/x
  3. Step 3: Cross multiply
    411,649.52x = 617,228.24 × 158,720.27
  4. Step 4: Simplify right side
    411,649.52x = 97,966,629,024.68
  5. Step 5: Solve for x
    x = 97,966,629,024.68/411,649.52
  6. Step 6: Final answer
    x = 237,985.53

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1.5x scale

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.