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Finding the Fourth Proportional to 589,862.40, 884,793.60 and 146,630.40

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Solution

The fourth proportional to 589,862.40, 884,793.60 and 146,630.40 is: 219,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,862.40 : 884,793.60 = 146,630.40 : x
  2. Step 2: Convert to fraction form
    589,862.40/884,793.60 = 146,630.40/x
  3. Step 3: Cross multiply
    589,862.40x = 884,793.60 × 146,630.40
  4. Step 4: Simplify right side
    589,862.40x = 129,737,639,485.44
  5. Step 5: Solve for x
    x = 129,737,639,485.44/589,862.40
  6. Step 6: Final answer
    x = 219,945.60

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Double scale
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Similar ratio
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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.