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Finding the Fourth Proportional to 482,962.64, 666,352.58 and 301,858.38

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Solution

The fourth proportional to 482,962.64, 666,352.58 and 301,858.38 is: 416,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,962.64 : 666,352.58 = 301,858.38 : x
  2. Step 2: Convert to fraction form
    482,962.64/666,352.58 = 301,858.38/x
  3. Step 3: Cross multiply
    482,962.64x = 666,352.58 × 301,858.38
  4. Step 4: Simplify right side
    482,962.64x = 201,144,108,798.33
  5. Step 5: Solve for x
    x = 201,144,108,798.33/482,962.64
  6. Step 6: Final answer
    x = 416,479.65

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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.