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Finding the Fourth Proportional to 504,073.50, 695,619.36 and 274,630.14

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Solution

The fourth proportional to 504,073.50, 695,619.36 and 274,630.14 is: 378,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,073.50 : 695,619.36 = 274,630.14 : x
  2. Step 2: Convert to fraction form
    504,073.50/695,619.36 = 274,630.14/x
  3. Step 3: Cross multiply
    504,073.50x = 695,619.36 × 274,630.14
  4. Step 4: Simplify right side
    504,073.50x = 191,038,042,223.51
  5. Step 5: Solve for x
    x = 191,038,042,223.51/504,073.50
  6. Step 6: Final answer
    x = 378,988.47

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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.