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Finding the Fourth Proportional to 404,477.20, 606,424.20 and 227,038.60

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Solution

The fourth proportional to 404,477.20, 606,424.20 and 227,038.60 is: 340,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,477.20 : 606,424.20 = 227,038.60 : x
  2. Step 2: Convert to fraction form
    404,477.20/606,424.20 = 227,038.60/x
  3. Step 3: Cross multiply
    404,477.20x = 606,424.20 × 227,038.60
  4. Step 4: Simplify right side
    404,477.20x = 137,681,701,374.12
  5. Step 5: Solve for x
    x = 137,681,701,374.12/404,477.20
  6. Step 6: Final answer
    x = 340,394.22

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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.