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Finding the Fourth Proportional to 350,775.33, 484,058.15 and 221,783.23

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Solution

The fourth proportional to 350,775.33, 484,058.15 and 221,783.23 is: 306,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,775.33 : 484,058.15 = 221,783.23 : x
  2. Step 2: Convert to fraction form
    350,775.33/484,058.15 = 221,783.23/x
  3. Step 3: Cross multiply
    350,775.33x = 484,058.15 × 221,783.23
  4. Step 4: Simplify right side
    350,775.33x = 107,355,978,905.91
  5. Step 5: Solve for x
    x = 107,355,978,905.91/350,775.33
  6. Step 6: Final answer
    x = 306,053.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.