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Finding the Fourth Proportional to 413,905.86, 571,346.13 and 241,879.68

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Solution

The fourth proportional to 413,905.86, 571,346.13 and 241,879.68 is: 333,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,905.86 : 571,346.13 = 241,879.68 : x
  2. Step 2: Convert to fraction form
    413,905.86/571,346.13 = 241,879.68/x
  3. Step 3: Cross multiply
    413,905.86x = 571,346.13 × 241,879.68
  4. Step 4: Simplify right side
    413,905.86x = 138,197,019,093.64
  5. Step 5: Solve for x
    x = 138,197,019,093.64/413,905.86
  6. Step 6: Final answer
    x = 333,885.15

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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.