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Finding the Fourth Proportional to 298,251.42, 411,603.99 and 170,948.22

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Solution

The fourth proportional to 298,251.42, 411,603.99 and 170,948.22 is: 235,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,251.42 : 411,603.99 = 170,948.22 : x
  2. Step 2: Convert to fraction form
    298,251.42/411,603.99 = 170,948.22/x
  3. Step 3: Cross multiply
    298,251.42x = 411,603.99 × 170,948.22
  4. Step 4: Simplify right side
    298,251.42x = 70,362,969,435.40
  5. Step 5: Solve for x
    x = 70,362,969,435.40/298,251.42
  6. Step 6: Final answer
    x = 235,918.30

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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.