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Finding the Fourth Proportional to 558,233.84, 770,346.24 and 316,538.48

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Solution

The fourth proportional to 558,233.84, 770,346.24 and 316,538.48 is: 436,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,233.84 : 770,346.24 = 316,538.48 : x
  2. Step 2: Convert to fraction form
    558,233.84/770,346.24 = 316,538.48/x
  3. Step 3: Cross multiply
    558,233.84x = 770,346.24 × 316,538.48
  4. Step 4: Simplify right side
    558,233.84x = 243,844,227,883.32
  5. Step 5: Solve for x
    x = 243,844,227,883.32/558,233.84
  6. Step 6: Final answer
    x = 436,813.77

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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.