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Finding the Fourth Proportional to 574,718.89, 793,136.67 and 320,070.08

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Solution

The fourth proportional to 574,718.89, 793,136.67 and 320,070.08 is: 441,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,718.89 : 793,136.67 = 320,070.08 : x
  2. Step 2: Convert to fraction form
    574,718.89/793,136.67 = 320,070.08/x
  3. Step 3: Cross multiply
    574,718.89x = 793,136.67 × 320,070.08
  4. Step 4: Simplify right side
    574,718.89x = 253,859,313,452.15
  5. Step 5: Solve for x
    x = 253,859,313,452.15/574,718.89
  6. Step 6: Final answer
    x = 441,710.41

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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.