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Finding the Fourth Proportional to 335,640.64, 503,461.32 and 236,244.46

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Solution

The fourth proportional to 335,640.64, 503,461.32 and 236,244.46 is: 354,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,640.64 : 503,461.32 = 236,244.46 : x
  2. Step 2: Convert to fraction form
    335,640.64/503,461.32 = 236,244.46/x
  3. Step 3: Cross multiply
    335,640.64x = 503,461.32 × 236,244.46
  4. Step 4: Simplify right side
    335,640.64x = 118,939,947,674.29
  5. Step 5: Solve for x
    x = 118,939,947,674.29/335,640.64
  6. Step 6: Final answer
    x = 354,366.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.