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Finding the Fourth Proportional to 720,794.70, 994,904.28 and 475,958.25

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Solution

The fourth proportional to 720,794.70, 994,904.28 and 475,958.25 is: 656,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,794.70 : 994,904.28 = 475,958.25 : x
  2. Step 2: Convert to fraction form
    720,794.70/994,904.28 = 475,958.25/x
  3. Step 3: Cross multiply
    720,794.70x = 994,904.28 × 475,958.25
  4. Step 4: Simplify right side
    720,794.70x = 473,532,900,026.31
  5. Step 5: Solve for x
    x = 473,532,900,026.31/720,794.70
  6. Step 6: Final answer
    x = 656,959.46

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Double scale
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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.