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Finding the Fourth Proportional to 461,968.80, 692,953.20 and 304,375.20

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Solution

The fourth proportional to 461,968.80, 692,953.20 and 304,375.20 is: 456,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,968.80 : 692,953.20 = 304,375.20 : x
  2. Step 2: Convert to fraction form
    461,968.80/692,953.20 = 304,375.20/x
  3. Step 3: Cross multiply
    461,968.80x = 692,953.20 × 304,375.20
  4. Step 4: Simplify right side
    461,968.80x = 210,917,768,840.64
  5. Step 5: Solve for x
    x = 210,917,768,840.64/461,968.80
  6. Step 6: Final answer
    x = 456,562.80

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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.