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Finding the Fourth Proportional to 431,161.30, 602,838.50 and 431,161.30

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Solution

The fourth proportional to 431,161.30, 602,838.50 and 431,161.30 is: 602,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,161.30 : 602,838.50 = 431,161.30 : x
  2. Step 2: Convert to fraction form
    431,161.30/602,838.50 = 431,161.30/x
  3. Step 3: Cross multiply
    431,161.30x = 602,838.50 × 431,161.30
  4. Step 4: Simplify right side
    431,161.30x = 259,920,631,350.05
  5. Step 5: Solve for x
    x = 259,920,631,350.05/431,161.30
  6. Step 6: Final answer
    x = 602,838.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.