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Finding the Fourth Proportional to 658,026.87, 908,060.32 and 367,640.65

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Solution

The fourth proportional to 658,026.87, 908,060.32 and 367,640.65 is: 507,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,026.87 : 908,060.32 = 367,640.65 : x
  2. Step 2: Convert to fraction form
    658,026.87/908,060.32 = 367,640.65/x
  3. Step 3: Cross multiply
    658,026.87x = 908,060.32 × 367,640.65
  4. Step 4: Simplify right side
    658,026.87x = 333,839,886,284.01
  5. Step 5: Solve for x
    x = 333,839,886,284.01/658,026.87
  6. Step 6: Final answer
    x = 507,334.73

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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.