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Finding the Fourth Proportional to 363,657.76, 501,589.20 and 242,738.08

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Solution

The fourth proportional to 363,657.76, 501,589.20 and 242,738.08 is: 334,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,657.76 : 501,589.20 = 242,738.08 : x
  2. Step 2: Convert to fraction form
    363,657.76/501,589.20 = 242,738.08/x
  3. Step 3: Cross multiply
    363,657.76x = 501,589.20 × 242,738.08
  4. Step 4: Simplify right side
    363,657.76x = 121,754,799,356.74
  5. Step 5: Solve for x
    x = 121,754,799,356.74/363,657.76
  6. Step 6: Final answer
    x = 334,806.00

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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.