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Finding the Fourth Proportional to 672,256, 927,733.08 and 370,469.44

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Solution

The fourth proportional to 672,256, 927,733.08 and 370,469.44 is: 511,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,256 : 927,733.08 = 370,469.44 : x
  2. Step 2: Convert to fraction form
    672,256/927,733.08 = 370,469.44/x
  3. Step 3: Cross multiply
    672,256x = 927,733.08 × 370,469.44
  4. Step 4: Simplify right side
    672,256x = 343,696,754,617.08
  5. Step 5: Solve for x
    x = 343,696,754,617.08/672,256
  6. Step 6: Final answer
    x = 511,258.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.