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Finding the Fourth Proportional to 353,567.68, 529,866.72 and 187,023.04

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Solution

The fourth proportional to 353,567.68, 529,866.72 and 187,023.04 is: 280,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,567.68 : 529,866.72 = 187,023.04 : x
  2. Step 2: Convert to fraction form
    353,567.68/529,866.72 = 187,023.04/x
  3. Step 3: Cross multiply
    353,567.68x = 529,866.72 × 187,023.04
  4. Step 4: Simplify right side
    353,567.68x = 99,097,284,769.23
  5. Step 5: Solve for x
    x = 99,097,284,769.23/353,567.68
  6. Step 6: Final answer
    x = 280,278.12

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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.