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Finding the Fourth Proportional to 633,341.84, 874,013.04 and 342,956.56

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Solution

The fourth proportional to 633,341.84, 874,013.04 and 342,956.56 is: 473,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,341.84 : 874,013.04 = 342,956.56 : x
  2. Step 2: Convert to fraction form
    633,341.84/874,013.04 = 342,956.56/x
  3. Step 3: Cross multiply
    633,341.84x = 874,013.04 × 342,956.56
  4. Step 4: Simplify right side
    633,341.84x = 299,748,505,593.54
  5. Step 5: Solve for x
    x = 299,748,505,593.54/633,341.84
  6. Step 6: Final answer
    x = 473,280.76

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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.