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Finding the Fourth Proportional to 349,851.45, 523,999.58 and 303,195.45

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Solution

The fourth proportional to 349,851.45, 523,999.58 and 303,195.45 is: 454,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,851.45 : 523,999.58 = 303,195.45 : x
  2. Step 2: Convert to fraction form
    349,851.45/523,999.58 = 303,195.45/x
  3. Step 3: Cross multiply
    349,851.45x = 523,999.58 × 303,195.45
  4. Step 4: Simplify right side
    349,851.45x = 158,874,286,941.93
  5. Step 5: Solve for x
    x = 158,874,286,941.93/349,851.45
  6. Step 6: Final answer
    x = 454,119.28

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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.