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Finding the Fourth Proportional to 529,155.72, 793,842.93 and 174,191.04

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Solution

The fourth proportional to 529,155.72, 793,842.93 and 174,191.04 is: 261,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,155.72 : 793,842.93 = 174,191.04 : x
  2. Step 2: Convert to fraction form
    529,155.72/793,842.93 = 174,191.04/x
  3. Step 3: Cross multiply
    529,155.72x = 793,842.93 × 174,191.04
  4. Step 4: Simplify right side
    529,155.72x = 138,280,325,573.35
  5. Step 5: Solve for x
    x = 138,280,325,573.35/529,155.72
  6. Step 6: Final answer
    x = 261,322.56

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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.