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Finding the Fourth Proportional to 483,545, 725,343.42 and 151,146.92

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Solution

The fourth proportional to 483,545, 725,343.42 and 151,146.92 is: 226,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,545 : 725,343.42 = 151,146.92 : x
  2. Step 2: Convert to fraction form
    483,545/725,343.42 = 151,146.92/x
  3. Step 3: Cross multiply
    483,545x = 725,343.42 × 151,146.92
  4. Step 4: Simplify right side
    483,545x = 109,633,423,875.27
  5. Step 5: Solve for x
    x = 109,633,423,875.27/483,545
  6. Step 6: Final answer
    x = 226,728.48

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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.