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Finding the Fourth Proportional to 529,038.40, 793,609.92 and 173,908.48

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Solution

The fourth proportional to 529,038.40, 793,609.92 and 173,908.48 is: 260,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,038.40 : 793,609.92 = 173,908.48 : x
  2. Step 2: Convert to fraction form
    529,038.40/793,609.92 = 173,908.48/x
  3. Step 3: Cross multiply
    529,038.40x = 793,609.92 × 173,908.48
  4. Step 4: Simplify right side
    529,038.40x = 138,015,494,900.12
  5. Step 5: Solve for x
    x = 138,015,494,900.12/529,038.40
  6. Step 6: Final answer
    x = 260,879.92

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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.