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Finding the Fourth Proportional to 293,606.60, 440,409.90 and 173,856.20

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Solution

The fourth proportional to 293,606.60, 440,409.90 and 173,856.20 is: 260,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,606.60 : 440,409.90 = 173,856.20 : x
  2. Step 2: Convert to fraction form
    293,606.60/440,409.90 = 173,856.20/x
  3. Step 3: Cross multiply
    293,606.60x = 440,409.90 × 173,856.20
  4. Step 4: Simplify right side
    293,606.60x = 76,567,991,656.38
  5. Step 5: Solve for x
    x = 76,567,991,656.38/293,606.60
  6. Step 6: Final answer
    x = 260,784.30

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1.5x scale

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.