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Finding the Fourth Proportional to 633,750.57, 874,579.25 and 343,366.86

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Solution

The fourth proportional to 633,750.57, 874,579.25 and 343,366.86 is: 473,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,750.57 : 874,579.25 = 343,366.86 : x
  2. Step 2: Convert to fraction form
    633,750.57/874,579.25 = 343,366.86/x
  3. Step 3: Cross multiply
    633,750.57x = 874,579.25 × 343,366.86
  4. Step 4: Simplify right side
    633,750.57x = 300,301,530,376.39
  5. Step 5: Solve for x
    x = 300,301,530,376.39/633,750.57
  6. Step 6: Final answer
    x = 473,848.14

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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.