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Finding the Fourth Proportional to 594,544.20, 821,152.44 and 391,502.88

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Solution

The fourth proportional to 594,544.20, 821,152.44 and 391,502.88 is: 540,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,544.20 : 821,152.44 = 391,502.88 : x
  2. Step 2: Convert to fraction form
    594,544.20/821,152.44 = 391,502.88/x
  3. Step 3: Cross multiply
    594,544.20x = 821,152.44 × 391,502.88
  4. Step 4: Simplify right side
    594,544.20x = 321,483,545,179.03
  5. Step 5: Solve for x
    x = 321,483,545,179.03/594,544.20
  6. Step 6: Final answer
    x = 540,722.70

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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.