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Finding the Fourth Proportional to 574,781.94, 793,223.42 and 320,133.11

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Solution

The fourth proportional to 574,781.94, 793,223.42 and 320,133.11 is: 441,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,781.94 : 793,223.42 = 320,133.11 : x
  2. Step 2: Convert to fraction form
    574,781.94/793,223.42 = 320,133.11/x
  3. Step 3: Cross multiply
    574,781.94x = 793,223.42 × 320,133.11
  4. Step 4: Simplify right side
    574,781.94x = 253,937,074,802.65
  5. Step 5: Solve for x
    x = 253,937,074,802.65/574,781.94
  6. Step 6: Final answer
    x = 441,797.24

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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.