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Finding the Fourth Proportional to 411,303.78, 567,663.39 and 250,209.36

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Solution

The fourth proportional to 411,303.78, 567,663.39 and 250,209.36 is: 345,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,303.78 : 567,663.39 = 250,209.36 : x
  2. Step 2: Convert to fraction form
    411,303.78/567,663.39 = 250,209.36/x
  3. Step 3: Cross multiply
    411,303.78x = 567,663.39 × 250,209.36
  4. Step 4: Simplify right side
    411,303.78x = 142,034,693,507.33
  5. Step 5: Solve for x
    x = 142,034,693,507.33/411,303.78
  6. Step 6: Final answer
    x = 345,327.96

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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.