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Finding the Fourth Proportional to 342,274.46, 513,480.15 and 105,608.25

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Solution

The fourth proportional to 342,274.46, 513,480.15 and 105,608.25 is: 158,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,274.46 : 513,480.15 = 105,608.25 : x
  2. Step 2: Convert to fraction form
    342,274.46/513,480.15 = 105,608.25/x
  3. Step 3: Cross multiply
    342,274.46x = 513,480.15 × 105,608.25
  4. Step 4: Simplify right side
    342,274.46x = 54,227,740,051.24
  5. Step 5: Solve for x
    x = 54,227,740,051.24/342,274.46
  6. Step 6: Final answer
    x = 158,433.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.