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Finding the Fourth Proportional to 520,798.17, 781,259.67 and 183,769.17

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Solution

The fourth proportional to 520,798.17, 781,259.67 and 183,769.17 is: 275,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,798.17 : 781,259.67 = 183,769.17 : x
  2. Step 2: Convert to fraction form
    520,798.17/781,259.67 = 183,769.17/x
  3. Step 3: Cross multiply
    520,798.17x = 781,259.67 × 183,769.17
  4. Step 4: Simplify right side
    520,798.17x = 143,571,441,110.37
  5. Step 5: Solve for x
    x = 143,571,441,110.37/520,798.17
  6. Step 6: Final answer
    x = 275,675.78

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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.