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Finding the Fourth Proportional to 578,274.06, 798,380.44 and 371,626.26

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Solution

The fourth proportional to 578,274.06, 798,380.44 and 371,626.26 is: 513,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,274.06 : 798,380.44 = 371,626.26 : x
  2. Step 2: Convert to fraction form
    578,274.06/798,380.44 = 371,626.26/x
  3. Step 3: Cross multiply
    578,274.06x = 798,380.44 × 371,626.26
  4. Step 4: Simplify right side
    578,274.06x = 296,699,136,974.35
  5. Step 5: Solve for x
    x = 296,699,136,974.35/578,274.06
  6. Step 6: Final answer
    x = 513,077.03

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1.5x scale

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.