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Finding the Fourth Proportional to 296,076.40, 442,818.60 and 264,713.20

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Solution

The fourth proportional to 296,076.40, 442,818.60 and 264,713.20 is: 395,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,076.40 : 442,818.60 = 264,713.20 : x
  2. Step 2: Convert to fraction form
    296,076.40/442,818.60 = 264,713.20/x
  3. Step 3: Cross multiply
    296,076.40x = 442,818.60 × 264,713.20
  4. Step 4: Simplify right side
    296,076.40x = 117,219,928,625.52
  5. Step 5: Solve for x
    x = 117,219,928,625.52/296,076.40
  6. Step 6: Final answer
    x = 395,911.08

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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.