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Finding the Fourth Proportional to 341,775.90, 512,663.85 and 164,628.90

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Solution

The fourth proportional to 341,775.90, 512,663.85 and 164,628.90 is: 246,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,775.90 : 512,663.85 = 164,628.90 : x
  2. Step 2: Convert to fraction form
    341,775.90/512,663.85 = 164,628.90/x
  3. Step 3: Cross multiply
    341,775.90x = 512,663.85 × 164,628.90
  4. Step 4: Simplify right side
    341,775.90x = 84,399,285,695.27
  5. Step 5: Solve for x
    x = 84,399,285,695.27/341,775.90
  6. Step 6: Final answer
    x = 246,943.35

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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.