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Finding the Fourth Proportional to 340,524.48, 469,931.36 and 189,635.52

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Solution

The fourth proportional to 340,524.48, 469,931.36 and 189,635.52 is: 261,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,524.48 : 469,931.36 = 189,635.52 : x
  2. Step 2: Convert to fraction form
    340,524.48/469,931.36 = 189,635.52/x
  3. Step 3: Cross multiply
    340,524.48x = 469,931.36 × 189,635.52
  4. Step 4: Simplify right side
    340,524.48x = 89,115,677,817.91
  5. Step 5: Solve for x
    x = 89,115,677,817.91/340,524.48
  6. Step 6: Final answer
    x = 261,701.24

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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.