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Finding the Fourth Proportional to 558,503.32, 770,726.10 and 303,848.68

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Solution

The fourth proportional to 558,503.32, 770,726.10 and 303,848.68 is: 419,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,503.32 : 770,726.10 = 303,848.68 : x
  2. Step 2: Convert to fraction form
    558,503.32/770,726.10 = 303,848.68/x
  3. Step 3: Cross multiply
    558,503.32x = 770,726.10 × 303,848.68
  4. Step 4: Simplify right side
    558,503.32x = 234,184,108,126.55
  5. Step 5: Solve for x
    x = 234,184,108,126.55/558,503.32
  6. Step 6: Final answer
    x = 419,306.56

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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.