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Finding the Fourth Proportional to 293,624.10, 440,436.15 and 223,640.10

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Solution

The fourth proportional to 293,624.10, 440,436.15 and 223,640.10 is: 335,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,624.10 : 440,436.15 = 223,640.10 : x
  2. Step 2: Convert to fraction form
    293,624.10/440,436.15 = 223,640.10/x
  3. Step 3: Cross multiply
    293,624.10x = 440,436.15 × 223,640.10
  4. Step 4: Simplify right side
    293,624.10x = 98,499,184,629.62
  5. Step 5: Solve for x
    x = 98,499,184,629.62/293,624.10
  6. Step 6: Final answer
    x = 335,460.15

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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.