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Finding the Fourth Proportional to 411,282.32, 567,341.64 and 239,181.44

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Solution

The fourth proportional to 411,282.32, 567,341.64 and 239,181.44 is: 329,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,282.32 : 567,341.64 = 239,181.44 : x
  2. Step 2: Convert to fraction form
    411,282.32/567,341.64 = 239,181.44/x
  3. Step 3: Cross multiply
    411,282.32x = 567,341.64 × 239,181.44
  4. Step 4: Simplify right side
    411,282.32x = 135,697,590,427.16
  5. Step 5: Solve for x
    x = 135,697,590,427.16/411,282.32
  6. Step 6: Final answer
    x = 329,937.82

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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.