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Finding the Fourth Proportional to 553,866.24, 763,833.60 and 362,809.92

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Solution

The fourth proportional to 553,866.24, 763,833.60 and 362,809.92 is: 500,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,866.24 : 763,833.60 = 362,809.92 : x
  2. Step 2: Convert to fraction form
    553,866.24/763,833.60 = 362,809.92/x
  3. Step 3: Cross multiply
    553,866.24x = 763,833.60 × 362,809.92
  4. Step 4: Simplify right side
    553,866.24x = 277,126,407,309.31
  5. Step 5: Solve for x
    x = 277,126,407,309.31/553,866.24
  6. Step 6: Final answer
    x = 500,348.98

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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.