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Finding the Fourth Proportional to 824,793.30, 1,236,009.15 and 469,055.70

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Solution

The fourth proportional to 824,793.30, 1,236,009.15 and 469,055.70 is: 702,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,793.30 : 1,236,009.15 = 469,055.70 : x
  2. Step 2: Convert to fraction form
    824,793.30/1,236,009.15 = 469,055.70/x
  3. Step 3: Cross multiply
    824,793.30x = 1,236,009.15 × 469,055.70
  4. Step 4: Simplify right side
    824,793.30x = 579,757,137,059.66
  5. Step 5: Solve for x
    x = 579,757,137,059.66/824,793.30
  6. Step 6: Final answer
    x = 702,912.04

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Double scale
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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.