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Finding the Fourth Proportional to 334,320.16, 501,687.60 and 299,898.40

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Solution

The fourth proportional to 334,320.16, 501,687.60 and 299,898.40 is: 450,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,320.16 : 501,687.60 = 299,898.40 : x
  2. Step 2: Convert to fraction form
    334,320.16/501,687.60 = 299,898.40/x
  3. Step 3: Cross multiply
    334,320.16x = 501,687.60 × 299,898.40
  4. Step 4: Simplify right side
    334,320.16x = 150,455,308,539.84
  5. Step 5: Solve for x
    x = 150,455,308,539.84/334,320.16
  6. Step 6: Final answer
    x = 450,033.61

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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.