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Finding the Fourth Proportional to 228,458.16, 315,438.57 and 183,384.09

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Solution

The fourth proportional to 228,458.16, 315,438.57 and 183,384.09 is: 253,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,458.16 : 315,438.57 = 183,384.09 : x
  2. Step 2: Convert to fraction form
    228,458.16/315,438.57 = 183,384.09/x
  3. Step 3: Cross multiply
    228,458.16x = 315,438.57 × 183,384.09
  4. Step 4: Simplify right side
    228,458.16x = 57,846,415,110.35
  5. Step 5: Solve for x
    x = 57,846,415,110.35/228,458.16
  6. Step 6: Final answer
    x = 253,203.54

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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.