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Finding the Fourth Proportional to 570,028.84, 855,042.46 and 228,626.28

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Solution

The fourth proportional to 570,028.84, 855,042.46 and 228,626.28 is: 342,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,028.84 : 855,042.46 = 228,626.28 : x
  2. Step 2: Convert to fraction form
    570,028.84/855,042.46 = 228,626.28/x
  3. Step 3: Cross multiply
    570,028.84x = 855,042.46 × 228,626.28
  4. Step 4: Simplify right side
    570,028.84x = 195,485,176,871.85
  5. Step 5: Solve for x
    x = 195,485,176,871.85/570,028.84
  6. Step 6: Final answer
    x = 342,939.10

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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.