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Finding the Fourth Proportional to 417,568.41, 626,301.57 and 177,779.04

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Solution

The fourth proportional to 417,568.41, 626,301.57 and 177,779.04 is: 266,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,568.41 : 626,301.57 = 177,779.04 : x
  2. Step 2: Convert to fraction form
    417,568.41/626,301.57 = 177,779.04/x
  3. Step 3: Cross multiply
    417,568.41x = 626,301.57 × 177,779.04
  4. Step 4: Simplify right side
    417,568.41x = 111,343,291,865.09
  5. Step 5: Solve for x
    x = 111,343,291,865.09/417,568.41
  6. Step 6: Final answer
    x = 266,646.83

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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.