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Finding the Fourth Proportional to 448,684.88, 672,881.76 and 149,085.04

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Solution

The fourth proportional to 448,684.88, 672,881.76 and 149,085.04 is: 223,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,684.88 : 672,881.76 = 149,085.04 : x
  2. Step 2: Convert to fraction form
    448,684.88/672,881.76 = 149,085.04/x
  3. Step 3: Cross multiply
    448,684.88x = 672,881.76 × 149,085.04
  4. Step 4: Simplify right side
    448,684.88x = 100,316,604,104.87
  5. Step 5: Solve for x
    x = 100,316,604,104.87/448,684.88
  6. Step 6: Final answer
    x = 223,579.19

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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.