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Finding the Fourth Proportional to 200,330.70, 300,463.25 and 74,030.09

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Solution

The fourth proportional to 200,330.70, 300,463.25 and 74,030.09 is: 111,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,330.70 : 300,463.25 = 74,030.09 : x
  2. Step 2: Convert to fraction form
    200,330.70/300,463.25 = 74,030.09/x
  3. Step 3: Cross multiply
    200,330.70x = 300,463.25 × 74,030.09
  4. Step 4: Simplify right side
    200,330.70x = 22,243,319,566.73
  5. Step 5: Solve for x
    x = 22,243,319,566.73/200,330.70
  6. Step 6: Final answer
    x = 111,033.00

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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.