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Finding the Fourth Proportional to 504,318.40, 695,954.95 and 274,875.69

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Solution

The fourth proportional to 504,318.40, 695,954.95 and 274,875.69 is: 379,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,318.40 : 695,954.95 = 274,875.69 : x
  2. Step 2: Convert to fraction form
    504,318.40/695,954.95 = 274,875.69/x
  3. Step 3: Cross multiply
    504,318.40x = 695,954.95 × 274,875.69
  4. Step 4: Simplify right side
    504,318.40x = 191,301,100,558.98
  5. Step 5: Solve for x
    x = 191,301,100,558.98/504,318.40
  6. Step 6: Final answer
    x = 379,326.04

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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.