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Finding the Fourth Proportional to 633,584.43, 874,341.54 and 343,189.71

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Solution

The fourth proportional to 633,584.43, 874,341.54 and 343,189.71 is: 473,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,584.43 : 874,341.54 = 343,189.71 : x
  2. Step 2: Convert to fraction form
    633,584.43/874,341.54 = 343,189.71/x
  3. Step 3: Cross multiply
    633,584.43x = 874,341.54 × 343,189.71
  4. Step 4: Simplify right side
    633,584.43x = 300,065,019,553.55
  5. Step 5: Solve for x
    x = 300,065,019,553.55/633,584.43
  6. Step 6: Final answer
    x = 473,599.11

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1.5x scale

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.