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Finding the Fourth Proportional to 422,606.16, 583,214.58 and 252,807.48

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Solution

The fourth proportional to 422,606.16, 583,214.58 and 252,807.48 is: 348,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,606.16 : 583,214.58 = 252,807.48 : x
  2. Step 2: Convert to fraction form
    422,606.16/583,214.58 = 252,807.48/x
  3. Step 3: Cross multiply
    422,606.16x = 583,214.58 × 252,807.48
  4. Step 4: Simplify right side
    422,606.16x = 147,441,008,269.06
  5. Step 5: Solve for x
    x = 147,441,008,269.06/422,606.16
  6. Step 6: Final answer
    x = 348,885.14

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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.