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Finding the Fourth Proportional to 574,718.76, 793,136.50 and 320,069.95

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Solution

The fourth proportional to 574,718.76, 793,136.50 and 320,069.95 is: 441,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,718.76 : 793,136.50 = 320,069.95 : x
  2. Step 2: Convert to fraction form
    574,718.76/793,136.50 = 320,069.95/x
  3. Step 3: Cross multiply
    574,718.76x = 793,136.50 × 320,069.95
  4. Step 4: Simplify right side
    574,718.76x = 253,859,157,115.16
  5. Step 5: Solve for x
    x = 253,859,157,115.16/574,718.76
  6. Step 6: Final answer
    x = 441,710.23

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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.