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Finding the Fourth Proportional to 612,850.30, 918,641.43 and 233,669.02

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Solution

The fourth proportional to 612,850.30, 918,641.43 and 233,669.02 is: 350,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,850.30 : 918,641.43 = 233,669.02 : x
  2. Step 2: Convert to fraction form
    612,850.30/918,641.43 = 233,669.02/x
  3. Step 3: Cross multiply
    612,850.30x = 918,641.43 × 233,669.02
  4. Step 4: Simplify right side
    612,850.30x = 214,658,042,679.50
  5. Step 5: Solve for x
    x = 214,658,042,679.50/612,850.30
  6. Step 6: Final answer
    x = 350,261.79

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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.