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Finding the Fourth Proportional to 341,341.52, 512,455.80 and 262,511.60

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Solution

The fourth proportional to 341,341.52, 512,455.80 and 262,511.60 is: 394,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341.52 : 512,455.80 = 262,511.60 : x
  2. Step 2: Convert to fraction form
    341,341.52/512,455.80 = 262,511.60/x
  3. Step 3: Cross multiply
    341,341.52x = 512,455.80 × 262,511.60
  4. Step 4: Simplify right side
    341,341.52x = 134,525,591,987.28
  5. Step 5: Solve for x
    x = 134,525,591,987.28/341,341.52
  6. Step 6: Final answer
    x = 394,108.49

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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.