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Finding the Fourth Proportional to 562,221.45, 775,866.54 and 332,963.68

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Solution

The fourth proportional to 562,221.45, 775,866.54 and 332,963.68 is: 459,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,221.45 : 775,866.54 = 332,963.68 : x
  2. Step 2: Convert to fraction form
    562,221.45/775,866.54 = 332,963.68/x
  3. Step 3: Cross multiply
    562,221.45x = 775,866.54 × 332,963.68
  4. Step 4: Simplify right side
    562,221.45x = 258,335,378,347.27
  5. Step 5: Solve for x
    x = 258,335,378,347.27/562,221.45
  6. Step 6: Final answer
    x = 459,490.43

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1.5x scale

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.