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Finding the Fourth Proportional to 417,244.41, 625,944.53 and 189,556.01

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Solution

The fourth proportional to 417,244.41, 625,944.53 and 189,556.01 is: 284,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,244.41 : 625,944.53 = 189,556.01 : x
  2. Step 2: Convert to fraction form
    417,244.41/625,944.53 = 189,556.01/x
  3. Step 3: Cross multiply
    417,244.41x = 625,944.53 × 189,556.01
  4. Step 4: Simplify right side
    417,244.41x = 118,651,547,588.13
  5. Step 5: Solve for x
    x = 118,651,547,588.13/417,244.41
  6. Step 6: Final answer
    x = 284,369.41

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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.