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Finding the Fourth Proportional to 602,793.30, 831,865.49 and 330,886.49

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Solution

The fourth proportional to 602,793.30, 831,865.49 and 330,886.49 is: 456,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,793.30 : 831,865.49 = 330,886.49 : x
  2. Step 2: Convert to fraction form
    602,793.30/831,865.49 = 330,886.49/x
  3. Step 3: Cross multiply
    602,793.30x = 831,865.49 × 330,886.49
  4. Step 4: Simplify right side
    602,793.30x = 275,253,054,351.50
  5. Step 5: Solve for x
    x = 275,253,054,351.50/602,793.30
  6. Step 6: Final answer
    x = 456,629.25

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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.