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Finding the Fourth Proportional to 287,262.45, 433,044.83 and 267,994.98

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Solution

The fourth proportional to 287,262.45, 433,044.83 and 267,994.98 is: 403,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,262.45 : 433,044.83 = 267,994.98 : x
  2. Step 2: Convert to fraction form
    287,262.45/433,044.83 = 267,994.98/x
  3. Step 3: Cross multiply
    287,262.45x = 433,044.83 × 267,994.98
  4. Step 4: Simplify right side
    287,262.45x = 116,053,841,224.94
  5. Step 5: Solve for x
    x = 116,053,841,224.94/287,262.45
  6. Step 6: Final answer
    x = 403,999.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.