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Finding the Fourth Proportional to 661,874.04, 992,647.02 and 188,563.50

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Solution

The fourth proportional to 661,874.04, 992,647.02 and 188,563.50 is: 282,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,874.04 : 992,647.02 = 188,563.50 : x
  2. Step 2: Convert to fraction form
    661,874.04/992,647.02 = 188,563.50/x
  3. Step 3: Cross multiply
    661,874.04x = 992,647.02 × 188,563.50
  4. Step 4: Simplify right side
    661,874.04x = 187,176,996,355.77
  5. Step 5: Solve for x
    x = 187,176,996,355.77/661,874.04
  6. Step 6: Final answer
    x = 282,798.52

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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.