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Finding the Fourth Proportional to 463,529.51, 639,735.53 and 334,884.32

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Solution

The fourth proportional to 463,529.51, 639,735.53 and 334,884.32 is: 462,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,529.51 : 639,735.53 = 334,884.32 : x
  2. Step 2: Convert to fraction form
    463,529.51/639,735.53 = 334,884.32/x
  3. Step 3: Cross multiply
    463,529.51x = 639,735.53 × 334,884.32
  4. Step 4: Simplify right side
    463,529.51x = 214,237,393,070.79
  5. Step 5: Solve for x
    x = 214,237,393,070.79/463,529.51
  6. Step 6: Final answer
    x = 462,187.18

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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.