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Finding the Fourth Proportional to 504,156.48, 695,726.92 and 274,715.75

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Solution

The fourth proportional to 504,156.48, 695,726.92 and 274,715.75 is: 379,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,156.48 : 695,726.92 = 274,715.75 : x
  2. Step 2: Convert to fraction form
    504,156.48/695,726.92 = 274,715.75/x
  3. Step 3: Cross multiply
    504,156.48x = 695,726.92 × 274,715.75
  4. Step 4: Simplify right side
    504,156.48x = 191,127,144,705.70
  5. Step 5: Solve for x
    x = 191,127,144,705.70/504,156.48
  6. Step 6: Final answer
    x = 379,102.82

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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.