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Finding the Fourth Proportional to 679,409.14, 937,596.54 and 373,498.42

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Solution

The fourth proportional to 679,409.14, 937,596.54 and 373,498.42 is: 515,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,409.14 : 937,596.54 = 373,498.42 : x
  2. Step 2: Convert to fraction form
    679,409.14/937,596.54 = 373,498.42/x
  3. Step 3: Cross multiply
    679,409.14x = 937,596.54 × 373,498.42
  4. Step 4: Simplify right side
    679,409.14x = 350,190,820,198.87
  5. Step 5: Solve for x
    x = 350,190,820,198.87/679,409.14
  6. Step 6: Final answer
    x = 515,434.37

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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.