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Finding the Fourth Proportional to 411,415.56, 567,805.98 and 230,137.56

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Solution

The fourth proportional to 411,415.56, 567,805.98 and 230,137.56 is: 317,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,415.56 : 567,805.98 = 230,137.56 : x
  2. Step 2: Convert to fraction form
    411,415.56/567,805.98 = 230,137.56/x
  3. Step 3: Cross multiply
    411,415.56x = 567,805.98 × 230,137.56
  4. Step 4: Simplify right side
    411,415.56x = 130,673,482,790.61
  5. Step 5: Solve for x
    x = 130,673,482,790.61/411,415.56
  6. Step 6: Final answer
    x = 317,619.20

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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.