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Finding the Fourth Proportional to 308,124.37, 425,233.64 and 170,300.34

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Solution

The fourth proportional to 308,124.37, 425,233.64 and 170,300.34 is: 235,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,124.37 : 425,233.64 = 170,300.34 : x
  2. Step 2: Convert to fraction form
    308,124.37/425,233.64 = 170,300.34/x
  3. Step 3: Cross multiply
    308,124.37x = 425,233.64 × 170,300.34
  4. Step 4: Simplify right side
    308,124.37x = 72,417,433,471.44
  5. Step 5: Solve for x
    x = 72,417,433,471.44/308,124.37
  6. Step 6: Final answer
    x = 235,026.63

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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.