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Finding the Fourth Proportional to 263,572.29, 363,457.89 and 225,458.01

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Solution

The fourth proportional to 263,572.29, 363,457.89 and 225,458.01 is: 310,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,572.29 : 363,457.89 = 225,458.01 : x
  2. Step 2: Convert to fraction form
    263,572.29/363,457.89 = 225,458.01/x
  3. Step 3: Cross multiply
    263,572.29x = 363,457.89 × 225,458.01
  4. Step 4: Simplify right side
    263,572.29x = 81,944,492,598.20
  5. Step 5: Solve for x
    x = 81,944,492,598.20/263,572.29
  6. Step 6: Final answer
    x = 310,899.50

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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.