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Finding the Fourth Proportional to 384,313.39, 576,158.54 and 159,841.80

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Solution

The fourth proportional to 384,313.39, 576,158.54 and 159,841.80 is: 239,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,313.39 : 576,158.54 = 159,841.80 : x
  2. Step 2: Convert to fraction form
    384,313.39/576,158.54 = 159,841.80/x
  3. Step 3: Cross multiply
    384,313.39x = 576,158.54 × 159,841.80
  4. Step 4: Simplify right side
    384,313.39x = 92,094,217,319.76
  5. Step 5: Solve for x
    x = 92,094,217,319.76/384,313.39
  6. Step 6: Final answer
    x = 239,633.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.