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Finding the Fourth Proportional to 704,794.73, 972,616.70 and 382,504.82

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Solution

The fourth proportional to 704,794.73, 972,616.70 and 382,504.82 is: 527,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,794.73 : 972,616.70 = 382,504.82 : x
  2. Step 2: Convert to fraction form
    704,794.73/972,616.70 = 382,504.82/x
  3. Step 3: Cross multiply
    704,794.73x = 972,616.70 × 382,504.82
  4. Step 4: Simplify right side
    704,794.73x = 372,030,571,855.67
  5. Step 5: Solve for x
    x = 372,030,571,855.67/704,794.73
  6. Step 6: Final answer
    x = 527,856.63

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.