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Finding the Fourth Proportional to 382,348.63, 573,485.66 and 116,111.46

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Solution

The fourth proportional to 382,348.63, 573,485.66 and 116,111.46 is: 174,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,348.63 : 573,485.66 = 116,111.46 : x
  2. Step 2: Convert to fraction form
    382,348.63/573,485.66 = 116,111.46/x
  3. Step 3: Cross multiply
    382,348.63x = 573,485.66 × 116,111.46
  4. Step 4: Simplify right side
    382,348.63x = 66,588,257,271.66
  5. Step 5: Solve for x
    x = 66,588,257,271.66/382,348.63
  6. Step 6: Final answer
    x = 174,155.87

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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.