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Finding the Fourth Proportional to 439,222.56, 606,127.60 and 238,018.56

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Solution

The fourth proportional to 439,222.56, 606,127.60 and 238,018.56 is: 328,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,222.56 : 606,127.60 = 238,018.56 : x
  2. Step 2: Convert to fraction form
    439,222.56/606,127.60 = 238,018.56/x
  3. Step 3: Cross multiply
    439,222.56x = 606,127.60 × 238,018.56
  4. Step 4: Simplify right side
    439,222.56x = 144,269,618,528.26
  5. Step 5: Solve for x
    x = 144,269,618,528.26/439,222.56
  6. Step 6: Final answer
    x = 328,465.87

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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.