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Finding the Fourth Proportional to 750,850.40, 1,036,186.80 and 411,296.60

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Solution

The fourth proportional to 750,850.40, 1,036,186.80 and 411,296.60 is: 567,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,850.40 : 1,036,186.80 = 411,296.60 : x
  2. Step 2: Convert to fraction form
    750,850.40/1,036,186.80 = 411,296.60/x
  3. Step 3: Cross multiply
    750,850.40x = 1,036,186.80 × 411,296.60
  4. Step 4: Simplify right side
    750,850.40x = 426,180,107,804.88
  5. Step 5: Solve for x
    x = 426,180,107,804.88/750,850.40
  6. Step 6: Final answer
    x = 567,596.56

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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.