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Finding the Fourth Proportional to 439,902.54, 607,025.07 and 248,885.10

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Solution

The fourth proportional to 439,902.54, 607,025.07 and 248,885.10 is: 343,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,902.54 : 607,025.07 = 248,885.10 : x
  2. Step 2: Convert to fraction form
    439,902.54/607,025.07 = 248,885.10/x
  3. Step 3: Cross multiply
    439,902.54x = 607,025.07 × 248,885.10
  4. Step 4: Simplify right side
    439,902.54x = 151,079,495,249.46
  5. Step 5: Solve for x
    x = 151,079,495,249.46/439,902.54
  6. Step 6: Final answer
    x = 343,438.56

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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.