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Finding the Fourth Proportional to 672,179.76, 927,602.28 and 370,371.60

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Solution

The fourth proportional to 672,179.76, 927,602.28 and 370,371.60 is: 511,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,179.76 : 927,602.28 = 370,371.60 : x
  2. Step 2: Convert to fraction form
    672,179.76/927,602.28 = 370,371.60/x
  3. Step 3: Cross multiply
    672,179.76x = 927,602.28 × 370,371.60
  4. Step 4: Simplify right side
    672,179.76x = 343,557,540,607.25
  5. Step 5: Solve for x
    x = 343,557,540,607.25/672,179.76
  6. Step 6: Final answer
    x = 511,109.62

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1.5x scale

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.