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Finding the Fourth Proportional to 345,463.72, 476,737.86 and 194,609.32

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Solution

The fourth proportional to 345,463.72, 476,737.86 and 194,609.32 is: 268,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,463.72 : 476,737.86 = 194,609.32 : x
  2. Step 2: Convert to fraction form
    345,463.72/476,737.86 = 194,609.32/x
  3. Step 3: Cross multiply
    345,463.72x = 476,737.86 × 194,609.32
  4. Step 4: Simplify right side
    345,463.72x = 92,777,630,752.86
  5. Step 5: Solve for x
    x = 92,777,630,752.86/345,463.72
  6. Step 6: Final answer
    x = 268,559.69

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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.