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Finding the Fourth Proportional to 534,521.43, 801,929.78 and 475,767.68

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Solution

The fourth proportional to 534,521.43, 801,929.78 and 475,767.68 is: 713,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,521.43 : 801,929.78 = 475,767.68 : x
  2. Step 2: Convert to fraction form
    534,521.43/801,929.78 = 475,767.68/x
  3. Step 3: Cross multiply
    534,521.43x = 801,929.78 × 475,767.68
  4. Step 4: Simplify right side
    534,521.43x = 381,532,270,953.51
  5. Step 5: Solve for x
    x = 381,532,270,953.51/534,521.43
  6. Step 6: Final answer
    x = 713,782.93

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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.