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Finding the Fourth Proportional to 318,026.94, 438,867.90 and 182,056.38

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Solution

The fourth proportional to 318,026.94, 438,867.90 and 182,056.38 is: 251,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,026.94 : 438,867.90 = 182,056.38 : x
  2. Step 2: Convert to fraction form
    318,026.94/438,867.90 = 182,056.38/x
  3. Step 3: Cross multiply
    318,026.94x = 438,867.90 × 182,056.38
  4. Step 4: Simplify right side
    318,026.94x = 79,898,701,172.20
  5. Step 5: Solve for x
    x = 79,898,701,172.20/318,026.94
  6. Step 6: Final answer
    x = 251,232.49

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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.