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Finding the Fourth Proportional to 532,371, 798,162.84 and 321,962.16

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Solution

The fourth proportional to 532,371, 798,162.84 and 321,962.16 is: 482,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,371 : 798,162.84 = 321,962.16 : x
  2. Step 2: Convert to fraction form
    532,371/798,162.84 = 321,962.16/x
  3. Step 3: Cross multiply
    532,371x = 798,162.84 × 321,962.16
  4. Step 4: Simplify right side
    532,371x = 256,978,231,998.13
  5. Step 5: Solve for x
    x = 256,978,231,998.13/532,371
  6. Step 6: Final answer
    x = 482,705.17

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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.