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Finding the Fourth Proportional to 448,450.76, 618,861.90 and 244,501.86

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Solution

The fourth proportional to 448,450.76, 618,861.90 and 244,501.86 is: 337,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,450.76 : 618,861.90 = 244,501.86 : x
  2. Step 2: Convert to fraction form
    448,450.76/618,861.90 = 244,501.86/x
  3. Step 3: Cross multiply
    448,450.76x = 618,861.90 × 244,501.86
  4. Step 4: Simplify right side
    448,450.76x = 151,312,885,633.13
  5. Step 5: Solve for x
    x = 151,312,885,633.13/448,450.76
  6. Step 6: Final answer
    x = 337,412.49

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Double scale
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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.