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Finding the Fourth Proportional to 434,174.82, 599,143.86 and 243,178.44

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Solution

The fourth proportional to 434,174.82, 599,143.86 and 243,178.44 is: 335,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,174.82 : 599,143.86 = 243,178.44 : x
  2. Step 2: Convert to fraction form
    434,174.82/599,143.86 = 243,178.44/x
  3. Step 3: Cross multiply
    434,174.82x = 599,143.86 × 243,178.44
  4. Step 4: Simplify right side
    434,174.82x = 145,698,869,210.38
  5. Step 5: Solve for x
    x = 145,698,869,210.38/434,174.82
  6. Step 6: Final answer
    x = 335,576.51

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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.