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Finding the Fourth Proportional to 292,000.49, 437,998.15 and 92,321.01

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Solution

The fourth proportional to 292,000.49, 437,998.15 and 92,321.01 is: 138,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,000.49 : 437,998.15 = 92,321.01 : x
  2. Step 2: Convert to fraction form
    292,000.49/437,998.15 = 92,321.01/x
  3. Step 3: Cross multiply
    292,000.49x = 437,998.15 × 92,321.01
  4. Step 4: Simplify right side
    292,000.49x = 40,436,431,355.33
  5. Step 5: Solve for x
    x = 40,436,431,355.33/292,000.49
  6. Step 6: Final answer
    x = 138,480.70

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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.