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Finding the Fourth Proportional to 448,516.74, 618,450.29 and 366,590.81

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Solution

The fourth proportional to 448,516.74, 618,450.29 and 366,590.81 is: 505,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,516.74 : 618,450.29 = 366,590.81 : x
  2. Step 2: Convert to fraction form
    448,516.74/618,450.29 = 366,590.81/x
  3. Step 3: Cross multiply
    448,516.74x = 618,450.29 × 366,590.81
  4. Step 4: Simplify right side
    448,516.74x = 226,718,192,755.84
  5. Step 5: Solve for x
    x = 226,718,192,755.84/448,516.74
  6. Step 6: Final answer
    x = 505,484.35

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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.