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Finding the Fourth Proportional to 436,151.05, 601,891.76 and 242,561.45

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Solution

The fourth proportional to 436,151.05, 601,891.76 and 242,561.45 is: 334,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,151.05 : 601,891.76 = 242,561.45 : x
  2. Step 2: Convert to fraction form
    436,151.05/601,891.76 = 242,561.45/x
  3. Step 3: Cross multiply
    436,151.05x = 601,891.76 × 242,561.45
  4. Step 4: Simplify right side
    436,151.05x = 145,995,740,159.79
  5. Step 5: Solve for x
    x = 145,995,740,159.79/436,151.05
  6. Step 6: Final answer
    x = 334,736.65

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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.