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Finding the Fourth Proportional to 459,030.78, 633,469.07 and 252,318.32

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Solution

The fourth proportional to 459,030.78, 633,469.07 and 252,318.32 is: 348,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,030.78 : 633,469.07 = 252,318.32 : x
  2. Step 2: Convert to fraction form
    459,030.78/633,469.07 = 252,318.32/x
  3. Step 3: Cross multiply
    459,030.78x = 633,469.07 × 252,318.32
  4. Step 4: Simplify right side
    459,030.78x = 159,835,847,085.43
  5. Step 5: Solve for x
    x = 159,835,847,085.43/459,030.78
  6. Step 6: Final answer
    x = 348,202.90

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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.