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Finding the Fourth Proportional to 433,738.02, 598,558.38 and 242,751.40

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Solution

The fourth proportional to 433,738.02, 598,558.38 and 242,751.40 is: 334,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,738.02 : 598,558.38 = 242,751.40 : x
  2. Step 2: Convert to fraction form
    433,738.02/598,558.38 = 242,751.40/x
  3. Step 3: Cross multiply
    433,738.02x = 598,558.38 × 242,751.40
  4. Step 4: Simplify right side
    433,738.02x = 145,300,884,726.73
  5. Step 5: Solve for x
    x = 145,300,884,726.73/433,738.02
  6. Step 6: Final answer
    x = 334,996.88

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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.