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Finding the Fourth Proportional to 298,166.01, 411,479.95 and 170,866.21

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Solution

The fourth proportional to 298,166.01, 411,479.95 and 170,866.21 is: 235,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,166.01 : 411,479.95 = 170,866.21 : x
  2. Step 2: Convert to fraction form
    298,166.01/411,479.95 = 170,866.21/x
  3. Step 3: Cross multiply
    298,166.01x = 411,479.95 × 170,866.21
  4. Step 4: Simplify right side
    298,166.01x = 70,308,019,183.52
  5. Step 5: Solve for x
    x = 70,308,019,183.52/298,166.01
  6. Step 6: Final answer
    x = 235,801.59

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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.