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Finding the Fourth Proportional to 508,962.06, 763,206.12 and 188,891.02

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Solution

The fourth proportional to 508,962.06, 763,206.12 and 188,891.02 is: 283,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,962.06 : 763,206.12 = 188,891.02 : x
  2. Step 2: Convert to fraction form
    508,962.06/763,206.12 = 188,891.02/x
  3. Step 3: Cross multiply
    508,962.06x = 763,206.12 × 188,891.02
  4. Step 4: Simplify right side
    508,962.06x = 144,162,782,477.04
  5. Step 5: Solve for x
    x = 144,162,782,477.04/508,962.06
  6. Step 6: Final answer
    x = 283,248.58

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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.