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Finding the Fourth Proportional to 304,020.60, 456,030.90 and 269,028.60

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Solution

The fourth proportional to 304,020.60, 456,030.90 and 269,028.60 is: 403,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,020.60 : 456,030.90 = 269,028.60 : x
  2. Step 2: Convert to fraction form
    304,020.60/456,030.90 = 269,028.60/x
  3. Step 3: Cross multiply
    304,020.60x = 456,030.90 × 269,028.60
  4. Step 4: Simplify right side
    304,020.60x = 122,685,354,583.74
  5. Step 5: Solve for x
    x = 122,685,354,583.74/304,020.60
  6. Step 6: Final answer
    x = 403,542.90

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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.