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Finding the Fourth Proportional to 707,450.14, 976,250.58 and 385,161.40

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Solution

The fourth proportional to 707,450.14, 976,250.58 and 385,161.40 is: 531,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,450.14 : 976,250.58 = 385,161.40 : x
  2. Step 2: Convert to fraction form
    707,450.14/976,250.58 = 385,161.40/x
  3. Step 3: Cross multiply
    707,450.14x = 976,250.58 × 385,161.40
  4. Step 4: Simplify right side
    707,450.14x = 376,014,040,143.61
  5. Step 5: Solve for x
    x = 376,014,040,143.61/707,450.14
  6. Step 6: Final answer
    x = 531,506.07

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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.