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Finding the Fourth Proportional to 329,487.32, 454,699.50 and 186,238.82

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Solution

The fourth proportional to 329,487.32, 454,699.50 and 186,238.82 is: 257,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,487.32 : 454,699.50 = 186,238.82 : x
  2. Step 2: Convert to fraction form
    329,487.32/454,699.50 = 186,238.82/x
  3. Step 3: Cross multiply
    329,487.32x = 454,699.50 × 186,238.82
  4. Step 4: Simplify right side
    329,487.32x = 84,682,698,334.59
  5. Step 5: Solve for x
    x = 84,682,698,334.59/329,487.32
  6. Step 6: Final answer
    x = 257,013.53

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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.