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Finding the Fourth Proportional to 468,068.37, 645,932.37 and 253,207.89

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Solution

The fourth proportional to 468,068.37, 645,932.37 and 253,207.89 is: 349,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,068.37 : 645,932.37 = 253,207.89 : x
  2. Step 2: Convert to fraction form
    468,068.37/645,932.37 = 253,207.89/x
  3. Step 3: Cross multiply
    468,068.37x = 645,932.37 × 253,207.89
  4. Step 4: Simplify right side
    468,068.37x = 163,555,172,490.40
  5. Step 5: Solve for x
    x = 163,555,172,490.40/468,068.37
  6. Step 6: Final answer
    x = 349,425.82

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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.