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Finding the Fourth Proportional to 328,670.50, 493,079.59 and 104,044.40

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Solution

The fourth proportional to 328,670.50, 493,079.59 and 104,044.40 is: 156,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,670.50 : 493,079.59 = 104,044.40 : x
  2. Step 2: Convert to fraction form
    328,670.50/493,079.59 = 104,044.40/x
  3. Step 3: Cross multiply
    328,670.50x = 493,079.59 × 104,044.40
  4. Step 4: Simplify right side
    328,670.50x = 51,302,170,093.80
  5. Step 5: Solve for x
    x = 51,302,170,093.80/328,670.50
  6. Step 6: Final answer
    x = 156,089.97

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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.