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Finding the Fourth Proportional to 411,875.38, 568,356.83 and 250,712.51

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Solution

The fourth proportional to 411,875.38, 568,356.83 and 250,712.51 is: 345,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,875.38 : 568,356.83 = 250,712.51 : x
  2. Step 2: Convert to fraction form
    411,875.38/568,356.83 = 250,712.51/x
  3. Step 3: Cross multiply
    411,875.38x = 568,356.83 × 250,712.51
  4. Step 4: Simplify right side
    411,875.38x = 142,494,167,424.94
  5. Step 5: Solve for x
    x = 142,494,167,424.94/411,875.38
  6. Step 6: Final answer
    x = 345,964.28

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Half scale
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Double scale
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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.