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Finding the Fourth Proportional to 504,095.45, 695,659.73 and 274,663.58

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Solution

The fourth proportional to 504,095.45, 695,659.73 and 274,663.58 is: 379,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,095.45 : 695,659.73 = 274,663.58 : x
  2. Step 2: Convert to fraction form
    504,095.45/695,659.73 = 274,663.58/x
  3. Step 3: Cross multiply
    504,095.45x = 695,659.73 × 274,663.58
  4. Step 4: Simplify right side
    504,095.45x = 191,072,387,052.02
  5. Step 5: Solve for x
    x = 191,072,387,052.02/504,095.45
  6. Step 6: Final answer
    x = 379,040.10

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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.