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Finding the Fourth Proportional to 293,603.80, 440,405.70 and 223,619.80

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Solution

The fourth proportional to 293,603.80, 440,405.70 and 223,619.80 is: 335,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,603.80 : 440,405.70 = 223,619.80 : x
  2. Step 2: Convert to fraction form
    293,603.80/440,405.70 = 223,619.80/x
  3. Step 3: Cross multiply
    293,603.80x = 440,405.70 × 223,619.80
  4. Step 4: Simplify right side
    293,603.80x = 98,483,434,552.86
  5. Step 5: Solve for x
    x = 98,483,434,552.86/293,603.80
  6. Step 6: Final answer
    x = 335,429.70

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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.