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Finding the Fourth Proportional to 578,735.02, 798,457.30 and 336,966.42

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Solution

The fourth proportional to 578,735.02, 798,457.30 and 336,966.42 is: 464,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,735.02 : 798,457.30 = 336,966.42 : x
  2. Step 2: Convert to fraction form
    578,735.02/798,457.30 = 336,966.42/x
  3. Step 3: Cross multiply
    578,735.02x = 798,457.30 × 336,966.42
  4. Step 4: Simplify right side
    578,735.02x = 269,053,297,903.87
  5. Step 5: Solve for x
    x = 269,053,297,903.87/578,735.02
  6. Step 6: Final answer
    x = 464,898.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.