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Finding the Fourth Proportional to 595,052.20, 821,169 and 323,117.71

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Solution

The fourth proportional to 595,052.20, 821,169 and 323,117.71 is: 445,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,052.20 : 821,169 = 323,117.71 : x
  2. Step 2: Convert to fraction form
    595,052.20/821,169 = 323,117.71/x
  3. Step 3: Cross multiply
    595,052.20x = 821,169 × 323,117.71
  4. Step 4: Simplify right side
    595,052.20x = 265,334,246,802.99
  5. Step 5: Solve for x
    x = 265,334,246,802.99/595,052.20
  6. Step 6: Final answer
    x = 445,900.79

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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.