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Finding the Fourth Proportional to 293,479.60, 440,219.40 and 223,495.60

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Solution

The fourth proportional to 293,479.60, 440,219.40 and 223,495.60 is: 335,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,479.60 : 440,219.40 = 223,495.60 : x
  2. Step 2: Convert to fraction form
    293,479.60/440,219.40 = 223,495.60/x
  3. Step 3: Cross multiply
    293,479.60x = 440,219.40 × 223,495.60
  4. Step 4: Simplify right side
    293,479.60x = 98,387,098,934.64
  5. Step 5: Solve for x
    x = 98,387,098,934.64/293,479.60
  6. Step 6: Final answer
    x = 335,243.40

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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.