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Finding the Fourth Proportional to 200,329.20, 300,461.00 and 74,028.58

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Solution

The fourth proportional to 200,329.20, 300,461.00 and 74,028.58 is: 111,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,329.20 : 300,461.00 = 74,028.58 : x
  2. Step 2: Convert to fraction form
    200,329.20/300,461.00 = 74,028.58/x
  3. Step 3: Cross multiply
    200,329.20x = 300,461.00 × 74,028.58
  4. Step 4: Simplify right side
    200,329.20x = 22,242,701,744.18
  5. Step 5: Solve for x
    x = 22,242,701,744.18/200,329.20
  6. Step 6: Final answer
    x = 111,030.75

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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.