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Finding the Fourth Proportional to 444,573, 613,510.74 and 243,369

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Solution

The fourth proportional to 444,573, 613,510.74 and 243,369 is: 335,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,573 : 613,510.74 = 243,369 : x
  2. Step 2: Convert to fraction form
    444,573/613,510.74 = 243,369/x
  3. Step 3: Cross multiply
    444,573x = 613,510.74 × 243,369
  4. Step 4: Simplify right side
    444,573x = 149,309,495,283.06
  5. Step 5: Solve for x
    x = 149,309,495,283.06/444,573
  6. Step 6: Final answer
    x = 335,849.22

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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.