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Finding the Fourth Proportional to 404,779.54, 606,685.47 and 188,345.92

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Solution

The fourth proportional to 404,779.54, 606,685.47 and 188,345.92 is: 282,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,779.54 : 606,685.47 = 188,345.92 : x
  2. Step 2: Convert to fraction form
    404,779.54/606,685.47 = 188,345.92/x
  3. Step 3: Cross multiply
    404,779.54x = 606,685.47 × 188,345.92
  4. Step 4: Simplify right side
    404,779.54x = 114,266,735,220.79
  5. Step 5: Solve for x
    x = 114,266,735,220.79/404,779.54
  6. Step 6: Final answer
    x = 282,293.75

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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.