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Finding the Fourth Proportional to 667,808.76, 1,001,724.12 and 188,048.10

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Solution

The fourth proportional to 667,808.76, 1,001,724.12 and 188,048.10 is: 282,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,808.76 : 1,001,724.12 = 188,048.10 : x
  2. Step 2: Convert to fraction form
    667,808.76/1,001,724.12 = 188,048.10/x
  3. Step 3: Cross multiply
    667,808.76x = 1,001,724.12 × 188,048.10
  4. Step 4: Simplify right side
    667,808.76x = 188,372,317,490.17
  5. Step 5: Solve for x
    x = 188,372,317,490.17/667,808.76
  6. Step 6: Final answer
    x = 282,075.24

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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.