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Finding the Fourth Proportional to 349,533.45, 482,100.53 and 228,480.57

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Solution

The fourth proportional to 349,533.45, 482,100.53 and 228,480.57 is: 315,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,533.45 : 482,100.53 = 228,480.57 : x
  2. Step 2: Convert to fraction form
    349,533.45/482,100.53 = 228,480.57/x
  3. Step 3: Cross multiply
    349,533.45x = 482,100.53 × 228,480.57
  4. Step 4: Simplify right side
    349,533.45x = 110,150,602,749.30
  5. Step 5: Solve for x
    x = 110,150,602,749.30/349,533.45
  6. Step 6: Final answer
    x = 315,136.08

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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.