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Finding the Fourth Proportional to 448,291.38, 618,636.67 and 244,341.68

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Solution

The fourth proportional to 448,291.38, 618,636.67 and 244,341.68 is: 337,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,291.38 : 618,636.67 = 244,341.68 : x
  2. Step 2: Convert to fraction form
    448,291.38/618,636.67 = 244,341.68/x
  3. Step 3: Cross multiply
    448,291.38x = 618,636.67 × 244,341.68
  4. Step 4: Simplify right side
    448,291.38x = 151,158,719,553.37
  5. Step 5: Solve for x
    x = 151,158,719,553.37/448,291.38
  6. Step 6: Final answer
    x = 337,188.55

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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.