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Finding the Fourth Proportional to 339,444.42, 468,440.70 and 186,484.56

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Solution

The fourth proportional to 339,444.42, 468,440.70 and 186,484.56 is: 257,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,444.42 : 468,440.70 = 186,484.56 : x
  2. Step 2: Convert to fraction form
    339,444.42/468,440.70 = 186,484.56/x
  3. Step 3: Cross multiply
    339,444.42x = 468,440.70 × 186,484.56
  4. Step 4: Simplify right side
    339,444.42x = 87,356,957,825.59
  5. Step 5: Solve for x
    x = 87,356,957,825.59/339,444.42
  6. Step 6: Final answer
    x = 257,352.76

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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.