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Finding the Fourth Proportional to 313,861.74, 433,124.07 and 170,625.39

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Solution

The fourth proportional to 313,861.74, 433,124.07 and 170,625.39 is: 235,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,861.74 : 433,124.07 = 170,625.39 : x
  2. Step 2: Convert to fraction form
    313,861.74/433,124.07 = 170,625.39/x
  3. Step 3: Cross multiply
    313,861.74x = 433,124.07 × 170,625.39
  4. Step 4: Simplify right side
    313,861.74x = 73,901,963,362.14
  5. Step 5: Solve for x
    x = 73,901,963,362.14/313,861.74
  6. Step 6: Final answer
    x = 235,460.25

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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.