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Finding the Fourth Proportional to 482,666.32, 666,101.96 and 301,485.52

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Solution

The fourth proportional to 482,666.32, 666,101.96 and 301,485.52 is: 416,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,666.32 : 666,101.96 = 301,485.52 : x
  2. Step 2: Convert to fraction form
    482,666.32/666,101.96 = 301,485.52/x
  3. Step 3: Cross multiply
    482,666.32x = 666,101.96 × 301,485.52
  4. Step 4: Simplify right side
    482,666.32x = 200,820,095,783.62
  5. Step 5: Solve for x
    x = 200,820,095,783.62/482,666.32
  6. Step 6: Final answer
    x = 416,064.03

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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.