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Finding the Fourth Proportional to 672,099.58, 927,496.89 and 370,293.58

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Solution

The fourth proportional to 672,099.58, 927,496.89 and 370,293.58 is: 511,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,099.58 : 927,496.89 = 370,293.58 : x
  2. Step 2: Convert to fraction form
    672,099.58/927,496.89 = 370,293.58/x
  3. Step 3: Cross multiply
    672,099.58x = 927,496.89 × 370,293.58
  4. Step 4: Simplify right side
    672,099.58x = 343,446,143,836.97
  5. Step 5: Solve for x
    x = 343,446,143,836.97/672,099.58
  6. Step 6: Final answer
    x = 511,004.85

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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.