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Finding the Fourth Proportional to 605,723.88, 908,582.53 and 349,390.30

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Solution

The fourth proportional to 605,723.88, 908,582.53 and 349,390.30 is: 524,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,723.88 : 908,582.53 = 349,390.30 : x
  2. Step 2: Convert to fraction form
    605,723.88/908,582.53 = 349,390.30/x
  3. Step 3: Cross multiply
    605,723.88x = 908,582.53 × 349,390.30
  4. Step 4: Simplify right side
    605,723.88x = 317,449,922,731.46
  5. Step 5: Solve for x
    x = 317,449,922,731.46/605,723.88
  6. Step 6: Final answer
    x = 524,083.55

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1.5x scale

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.