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Finding the Fourth Proportional to 424,307.92, 585,399.20 and 263,104.96

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Solution

The fourth proportional to 424,307.92, 585,399.20 and 263,104.96 is: 362,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,307.92 : 585,399.20 = 263,104.96 : x
  2. Step 2: Convert to fraction form
    424,307.92/585,399.20 = 263,104.96/x
  3. Step 3: Cross multiply
    424,307.92x = 585,399.20 × 263,104.96
  4. Step 4: Simplify right side
    424,307.92x = 154,021,433,100.03
  5. Step 5: Solve for x
    x = 154,021,433,100.03/424,307.92
  6. Step 6: Final answer
    x = 362,994.48

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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.