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Finding the Fourth Proportional to 682,314.57, 941,530.23 and 659,384.28

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Solution

The fourth proportional to 682,314.57, 941,530.23 and 659,384.28 is: 909,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,314.57 : 941,530.23 = 659,384.28 : x
  2. Step 2: Convert to fraction form
    682,314.57/941,530.23 = 659,384.28/x
  3. Step 3: Cross multiply
    682,314.57x = 941,530.23 × 659,384.28
  4. Step 4: Simplify right side
    682,314.57x = 620,830,232,806.78
  5. Step 5: Solve for x
    x = 620,830,232,806.78/682,314.57
  6. Step 6: Final answer
    x = 909,888.58

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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.