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Finding the Fourth Proportional to 461,594, 636,922.76 and 308,386.56

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Solution

The fourth proportional to 461,594, 636,922.76 and 308,386.56 is: 425,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,594 : 636,922.76 = 308,386.56 : x
  2. Step 2: Convert to fraction form
    461,594/636,922.76 = 308,386.56/x
  3. Step 3: Cross multiply
    461,594x = 636,922.76 × 308,386.56
  4. Step 4: Simplify right side
    461,594x = 196,418,418,942.11
  5. Step 5: Solve for x
    x = 196,418,418,942.11/461,594
  6. Step 6: Final answer
    x = 425,522.04

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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.