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Finding the Fourth Proportional to 374,021.72, 560,658.48 and 134,070.36

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Solution

The fourth proportional to 374,021.72, 560,658.48 and 134,070.36 is: 200,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,021.72 : 560,658.48 = 134,070.36 : x
  2. Step 2: Convert to fraction form
    374,021.72/560,658.48 = 134,070.36/x
  3. Step 3: Cross multiply
    374,021.72x = 560,658.48 × 134,070.36
  4. Step 4: Simplify right side
    374,021.72x = 75,167,684,250.65
  5. Step 5: Solve for x
    x = 75,167,684,250.65/374,021.72
  6. Step 6: Final answer
    x = 200,971.44

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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.