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Finding the Fourth Proportional to 262,480.50, 362,223.09 and 143,248.50

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Solution

The fourth proportional to 262,480.50, 362,223.09 and 143,248.50 is: 197,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,480.50 : 362,223.09 = 143,248.50 : x
  2. Step 2: Convert to fraction form
    262,480.50/362,223.09 = 143,248.50/x
  3. Step 3: Cross multiply
    262,480.50x = 362,223.09 × 143,248.50
  4. Step 4: Simplify right side
    262,480.50x = 51,887,914,307.87
  5. Step 5: Solve for x
    x = 51,887,914,307.87/262,480.50
  6. Step 6: Final answer
    x = 197,682.93

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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.