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Finding the Fourth Proportional to 357,096.38, 535,779.43 and 188,609.90

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Solution

The fourth proportional to 357,096.38, 535,779.43 and 188,609.90 is: 282,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,096.38 : 535,779.43 = 188,609.90 : x
  2. Step 2: Convert to fraction form
    357,096.38/535,779.43 = 188,609.90/x
  3. Step 3: Cross multiply
    357,096.38x = 535,779.43 × 188,609.90
  4. Step 4: Simplify right side
    357,096.38x = 101,053,301,563.94
  5. Step 5: Solve for x
    x = 101,053,301,563.94/357,096.38
  6. Step 6: Final answer
    x = 282,986.08

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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.