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Finding the Fourth Proportional to 504,261.16, 695,871 and 274,820.20

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Solution

The fourth proportional to 504,261.16, 695,871 and 274,820.20 is: 379,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,261.16 : 695,871 = 274,820.20 : x
  2. Step 2: Convert to fraction form
    504,261.16/695,871 = 274,820.20/x
  3. Step 3: Cross multiply
    504,261.16x = 695,871 × 274,820.20
  4. Step 4: Simplify right side
    504,261.16x = 191,239,407,394.20
  5. Step 5: Solve for x
    x = 191,239,407,394.20/504,261.16
  6. Step 6: Final answer
    x = 379,246.75

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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.