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Finding the Fourth Proportional to 342,756.02, 473,906.23 and 300,192.55

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Solution

The fourth proportional to 342,756.02, 473,906.23 and 300,192.55 is: 415,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,756.02 : 473,906.23 = 300,192.55 : x
  2. Step 2: Convert to fraction form
    342,756.02/473,906.23 = 300,192.55/x
  3. Step 3: Cross multiply
    342,756.02x = 473,906.23 × 300,192.55
  4. Step 4: Simplify right side
    342,756.02x = 142,263,117,709.34
  5. Step 5: Solve for x
    x = 142,263,117,709.34/342,756.02
  6. Step 6: Final answer
    x = 415,056.51

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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.