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Finding the Fourth Proportional to 342,433, 472,559.38 and 191,529.96

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Solution

The fourth proportional to 342,433, 472,559.38 and 191,529.96 is: 264,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,433 : 472,559.38 = 191,529.96 : x
  2. Step 2: Convert to fraction form
    342,433/472,559.38 = 191,529.96/x
  3. Step 3: Cross multiply
    342,433x = 472,559.38 × 191,529.96
  4. Step 4: Simplify right side
    342,433x = 90,509,279,149.02
  5. Step 5: Solve for x
    x = 90,509,279,149.02/342,433
  6. Step 6: Final answer
    x = 264,312.37

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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.