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Finding the Fourth Proportional to 242,600.40, 363,900.60 and 154,026.90

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Solution

The fourth proportional to 242,600.40, 363,900.60 and 154,026.90 is: 231,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,600.40 : 363,900.60 = 154,026.90 : x
  2. Step 2: Convert to fraction form
    242,600.40/363,900.60 = 154,026.90/x
  3. Step 3: Cross multiply
    242,600.40x = 363,900.60 × 154,026.90
  4. Step 4: Simplify right side
    242,600.40x = 56,050,481,326.14
  5. Step 5: Solve for x
    x = 56,050,481,326.14/242,600.40
  6. Step 6: Final answer
    x = 231,040.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.