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Finding the Fourth Proportional to 472,393.53, 651,697.30 and 300,219.22

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Solution

The fourth proportional to 472,393.53, 651,697.30 and 300,219.22 is: 414,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393.53 : 651,697.30 = 300,219.22 : x
  2. Step 2: Convert to fraction form
    472,393.53/651,697.30 = 300,219.22/x
  3. Step 3: Cross multiply
    472,393.53x = 651,697.30 × 300,219.22
  4. Step 4: Simplify right side
    472,393.53x = 195,652,051,823.62
  5. Step 5: Solve for x
    x = 195,652,051,823.62/472,393.53
  6. Step 6: Final answer
    x = 414,171.75

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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.