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Finding the Fourth Proportional to 411,415.54, 567,768.98 and 230,126.92

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Solution

The fourth proportional to 411,415.54, 567,768.98 and 230,126.92 is: 317,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,415.54 : 567,768.98 = 230,126.92 : x
  2. Step 2: Convert to fraction form
    411,415.54/567,768.98 = 230,126.92/x
  3. Step 3: Cross multiply
    411,415.54x = 567,768.98 × 230,126.92
  4. Step 4: Simplify right side
    411,415.54x = 130,658,926,638.94
  5. Step 5: Solve for x
    x = 130,658,926,638.94/411,415.54
  6. Step 6: Final answer
    x = 317,583.84

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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.