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Finding the Fourth Proportional to 293,134.60, 439,701.90 and 174,939.40

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Solution

The fourth proportional to 293,134.60, 439,701.90 and 174,939.40 is: 262,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.60 : 439,701.90 = 174,939.40 : x
  2. Step 2: Convert to fraction form
    293,134.60/439,701.90 = 174,939.40/x
  3. Step 3: Cross multiply
    293,134.60x = 439,701.90 × 174,939.40
  4. Step 4: Simplify right side
    293,134.60x = 76,921,186,564.86
  5. Step 5: Solve for x
    x = 76,921,186,564.86/293,134.60
  6. Step 6: Final answer
    x = 262,409.10

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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.