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Finding the Fourth Proportional to 296,066.40, 442,803.60 and 264,703.20

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Solution

The fourth proportional to 296,066.40, 442,803.60 and 264,703.20 is: 395,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,066.40 : 442,803.60 = 264,703.20 : x
  2. Step 2: Convert to fraction form
    296,066.40/442,803.60 = 264,703.20/x
  3. Step 3: Cross multiply
    296,066.40x = 442,803.60 × 264,703.20
  4. Step 4: Simplify right side
    296,066.40x = 117,211,529,891.52
  5. Step 5: Solve for x
    x = 117,211,529,891.52/296,066.40
  6. Step 6: Final answer
    x = 395,896.09

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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.