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Finding the Fourth Proportional to 563,876.93, 845,910.17 and 279,581.51

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Solution

The fourth proportional to 563,876.93, 845,910.17 and 279,581.51 is: 419,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,876.93 : 845,910.17 = 279,581.51 : x
  2. Step 2: Convert to fraction form
    563,876.93/845,910.17 = 279,581.51/x
  3. Step 3: Cross multiply
    563,876.93x = 845,910.17 × 279,581.51
  4. Step 4: Simplify right side
    563,876.93x = 236,500,837,025.50
  5. Step 5: Solve for x
    x = 236,500,837,025.50/563,876.93
  6. Step 6: Final answer
    x = 419,419.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.