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Finding the Fourth Proportional to 424,379.79, 587,186.23 and 370,045.26

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Solution

The fourth proportional to 424,379.79, 587,186.23 and 370,045.26 is: 512,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,379.79 : 587,186.23 = 370,045.26 : x
  2. Step 2: Convert to fraction form
    424,379.79/587,186.23 = 370,045.26/x
  3. Step 3: Cross multiply
    424,379.79x = 587,186.23 × 370,045.26
  4. Step 4: Simplify right side
    424,379.79x = 217,285,481,148.77
  5. Step 5: Solve for x
    x = 217,285,481,148.77/424,379.79
  6. Step 6: Final answer
    x = 512,007.14

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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.