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Finding the Fourth Proportional to 411,856.23, 568,068.54 and 377,974.16

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Solution

The fourth proportional to 411,856.23, 568,068.54 and 377,974.16 is: 521,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,856.23 : 568,068.54 = 377,974.16 : x
  2. Step 2: Convert to fraction form
    411,856.23/568,068.54 = 377,974.16/x
  3. Step 3: Cross multiply
    411,856.23x = 568,068.54 × 377,974.16
  4. Step 4: Simplify right side
    411,856.23x = 214,715,226,388.58
  5. Step 5: Solve for x
    x = 214,715,226,388.58/411,856.23
  6. Step 6: Final answer
    x = 521,335.39

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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.