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Finding the Fourth Proportional to 293,487.60, 439,842.60 and 260,050.80

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Solution

The fourth proportional to 293,487.60, 439,842.60 and 260,050.80 is: 389,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,487.60 : 439,842.60 = 260,050.80 : x
  2. Step 2: Convert to fraction form
    293,487.60/439,842.60 = 260,050.80/x
  3. Step 3: Cross multiply
    293,487.60x = 439,842.60 × 260,050.80
  4. Step 4: Simplify right side
    293,487.60x = 114,381,420,004.08
  5. Step 5: Solve for x
    x = 114,381,420,004.08/293,487.60
  6. Step 6: Final answer
    x = 389,731.70

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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.