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Finding the Fourth Proportional to 303,630.58, 455,451.27 and 93,270.34

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Solution

The fourth proportional to 303,630.58, 455,451.27 and 93,270.34 is: 139,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,630.58 : 455,451.27 = 93,270.34 : x
  2. Step 2: Convert to fraction form
    303,630.58/455,451.27 = 93,270.34/x
  3. Step 3: Cross multiply
    303,630.58x = 455,451.27 × 93,270.34
  4. Step 4: Simplify right side
    303,630.58x = 42,480,094,806.33
  5. Step 5: Solve for x
    x = 42,480,094,806.33/303,630.58
  6. Step 6: Final answer
    x = 139,907.17

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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.