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Finding the Fourth Proportional to 504,228.46, 695,835.40 and 274,785.81

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Solution

The fourth proportional to 504,228.46, 695,835.40 and 274,785.81 is: 379,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,228.46 : 695,835.40 = 274,785.81 : x
  2. Step 2: Convert to fraction form
    504,228.46/695,835.40 = 274,785.81/x
  3. Step 3: Cross multiply
    504,228.46x = 695,835.40 × 274,785.81
  4. Step 4: Simplify right side
    504,228.46x = 191,205,692,641.75
  5. Step 5: Solve for x
    x = 191,205,692,641.75/504,228.46
  6. Step 6: Final answer
    x = 379,204.48

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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.