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Finding the Fourth Proportional to 472,395.53, 651,700.06 and 300,221.22

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Solution

The fourth proportional to 472,395.53, 651,700.06 and 300,221.22 is: 414,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395.53 : 651,700.06 = 300,221.22 : x
  2. Step 2: Convert to fraction form
    472,395.53/651,700.06 = 300,221.22/x
  3. Step 3: Cross multiply
    472,395.53x = 651,700.06 × 300,221.22
  4. Step 4: Simplify right side
    472,395.53x = 195,654,187,087.27
  5. Step 5: Solve for x
    x = 195,654,187,087.27/472,395.53
  6. Step 6: Final answer
    x = 414,174.51

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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.