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Finding the Fourth Proportional to 506,893.78, 759,501.07 and 356,398.79

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Solution

The fourth proportional to 506,893.78, 759,501.07 and 356,398.79 is: 534,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,893.78 : 759,501.07 = 356,398.79 : x
  2. Step 2: Convert to fraction form
    506,893.78/759,501.07 = 356,398.79/x
  3. Step 3: Cross multiply
    506,893.78x = 759,501.07 × 356,398.79
  4. Step 4: Simplify right side
    506,893.78x = 270,685,262,351.71
  5. Step 5: Solve for x
    x = 270,685,262,351.71/506,893.78
  6. Step 6: Final answer
    x = 534,007.86

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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.