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Finding the Fourth Proportional to 704,794.76, 972,608.67 and 382,505.07

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Solution

The fourth proportional to 704,794.76, 972,608.67 and 382,505.07 is: 527,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,794.76 : 972,608.67 = 382,505.07 : x
  2. Step 2: Convert to fraction form
    704,794.76/972,608.67 = 382,505.07/x
  3. Step 3: Cross multiply
    704,794.76x = 972,608.67 × 382,505.07
  4. Step 4: Simplify right side
    704,794.76x = 372,027,747,400.96
  5. Step 5: Solve for x
    x = 372,027,747,400.96/704,794.76
  6. Step 6: Final answer
    x = 527,852.60

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