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Finding the Fourth Proportional to 447,296.48, 617,270.61 and 243,347.34

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Solution

The fourth proportional to 447,296.48, 617,270.61 and 243,347.34 is: 335,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,296.48 : 617,270.61 = 243,347.34 : x
  2. Step 2: Convert to fraction form
    447,296.48/617,270.61 = 243,347.34/x
  3. Step 3: Cross multiply
    447,296.48x = 617,270.61 × 243,347.34
  4. Step 4: Simplify right side
    447,296.48x = 150,211,161,003.68
  5. Step 5: Solve for x
    x = 150,211,161,003.68/447,296.48
  6. Step 6: Final answer
    x = 335,820.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.