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Finding the Fourth Proportional to 341,662.21, 512,542.32 and 105,024.76

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Solution

The fourth proportional to 341,662.21, 512,542.32 and 105,024.76 is: 157,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,662.21 : 512,542.32 = 105,024.76 : x
  2. Step 2: Convert to fraction form
    341,662.21/512,542.32 = 105,024.76/x
  3. Step 3: Cross multiply
    341,662.21x = 512,542.32 × 105,024.76
  4. Step 4: Simplify right side
    341,662.21x = 53,829,634,147.84
  5. Step 5: Solve for x
    x = 53,829,634,147.84/341,662.21
  6. Step 6: Final answer
    x = 157,552.20

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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.