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Finding the Fourth Proportional to 298,384.39, 411,805.58 and 167,583.56

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Solution

The fourth proportional to 298,384.39, 411,805.58 and 167,583.56 is: 231,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,384.39 : 411,805.58 = 167,583.56 : x
  2. Step 2: Convert to fraction form
    298,384.39/411,805.58 = 167,583.56/x
  3. Step 3: Cross multiply
    298,384.39x = 411,805.58 × 167,583.56
  4. Step 4: Simplify right side
    298,384.39x = 69,011,845,124.26
  5. Step 5: Solve for x
    x = 69,011,845,124.26/298,384.39
  6. Step 6: Final answer
    x = 231,285.04

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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.