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Finding the Fourth Proportional to 312,017.36, 467,601.98 and 131,953.14

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Solution

The fourth proportional to 312,017.36, 467,601.98 and 131,953.14 is: 197,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,017.36 : 467,601.98 = 131,953.14 : x
  2. Step 2: Convert to fraction form
    312,017.36/467,601.98 = 131,953.14/x
  3. Step 3: Cross multiply
    312,017.36x = 467,601.98 × 131,953.14
  4. Step 4: Simplify right side
    312,017.36x = 61,701,549,531.22
  5. Step 5: Solve for x
    x = 61,701,549,531.22/312,017.36
  6. Step 6: Final answer
    x = 197,750.37

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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.