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Finding the Fourth Proportional to 297,938.44, 411,133.62 and 170,610.76

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Solution

The fourth proportional to 297,938.44, 411,133.62 and 170,610.76 is: 235,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,938.44 : 411,133.62 = 170,610.76 : x
  2. Step 2: Convert to fraction form
    297,938.44/411,133.62 = 170,610.76/x
  3. Step 3: Cross multiply
    297,938.44x = 411,133.62 × 170,610.76
  4. Step 4: Simplify right side
    297,938.44x = 70,143,819,369.75
  5. Step 5: Solve for x
    x = 70,143,819,369.75/297,938.44
  6. Step 6: Final answer
    x = 235,430.58

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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.