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Finding the Fourth Proportional to 504,071.50, 695,616.60 and 274,628.14

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Solution

The fourth proportional to 504,071.50, 695,616.60 and 274,628.14 is: 378,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,071.50 : 695,616.60 = 274,628.14 : x
  2. Step 2: Convert to fraction form
    504,071.50/695,616.60 = 274,628.14/x
  3. Step 3: Cross multiply
    504,071.50x = 695,616.60 × 274,628.14
  4. Step 4: Simplify right side
    504,071.50x = 191,035,893,011.12
  5. Step 5: Solve for x
    x = 191,035,893,011.12/504,071.50
  6. Step 6: Final answer
    x = 378,985.71

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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.