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Finding the Fourth Proportional to 793,648.53, 1,095,243 and 431,079.47

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Solution

The fourth proportional to 793,648.53, 1,095,243 and 431,079.47 is: 594,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,648.53 : 1,095,243 = 431,079.47 : x
  2. Step 2: Convert to fraction form
    793,648.53/1,095,243 = 431,079.47/x
  3. Step 3: Cross multiply
    793,648.53x = 1,095,243 × 431,079.47
  4. Step 4: Simplify right side
    793,648.53x = 472,136,766,485.00
  5. Step 5: Solve for x
    x = 472,136,766,485.00/793,648.53
  6. Step 6: Final answer
    x = 594,894.03

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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.