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Finding the Fourth Proportional to 594,673.57, 821,330.67 and 391,632.04

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Solution

The fourth proportional to 594,673.57, 821,330.67 and 391,632.04 is: 540,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,673.57 : 821,330.67 = 391,632.04 : x
  2. Step 2: Convert to fraction form
    594,673.57/821,330.67 = 391,632.04/x
  3. Step 3: Cross multiply
    594,673.57x = 821,330.67 × 391,632.04
  4. Step 4: Simplify right side
    594,673.57x = 321,659,405,806.67
  5. Step 5: Solve for x
    x = 321,659,405,806.67/594,673.57
  6. Step 6: Final answer
    x = 540,900.79

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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.