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Finding the Fourth Proportional to 262,580.89, 362,359.78 and 143,348.89

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Solution

The fourth proportional to 262,580.89, 362,359.78 and 143,348.89 is: 197,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,580.89 : 362,359.78 = 143,348.89 : x
  2. Step 2: Convert to fraction form
    262,580.89/362,359.78 = 143,348.89/x
  3. Step 3: Cross multiply
    262,580.89x = 362,359.78 × 143,348.89
  4. Step 4: Simplify right side
    262,580.89x = 51,943,872,243.64
  5. Step 5: Solve for x
    x = 51,943,872,243.64/262,580.89
  6. Step 6: Final answer
    x = 197,820.46

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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.