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Finding the Fourth Proportional to 595,016.44, 821,007.21 and 353,374.81

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Solution

The fourth proportional to 595,016.44, 821,007.21 and 353,374.81 is: 487,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,016.44 : 821,007.21 = 353,374.81 : x
  2. Step 2: Convert to fraction form
    595,016.44/821,007.21 = 353,374.81/x
  3. Step 3: Cross multiply
    595,016.44x = 821,007.21 × 353,374.81
  4. Step 4: Simplify right side
    595,016.44x = 290,123,266,842.38
  5. Step 5: Solve for x
    x = 290,123,266,842.38/595,016.44
  6. Step 6: Final answer
    x = 487,588.66

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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.