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Finding the Fourth Proportional to 372,263.40, 558,395.10 and 334,938.60

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Solution

The fourth proportional to 372,263.40, 558,395.10 and 334,938.60 is: 502,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,263.40 : 558,395.10 = 334,938.60 : x
  2. Step 2: Convert to fraction form
    372,263.40/558,395.10 = 334,938.60/x
  3. Step 3: Cross multiply
    372,263.40x = 558,395.10 × 334,938.60
  4. Step 4: Simplify right side
    372,263.40x = 187,028,073,040.86
  5. Step 5: Solve for x
    x = 187,028,073,040.86/372,263.40
  6. Step 6: Final answer
    x = 502,407.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.