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Finding the Fourth Proportional to 943,028.22, 1,301,407.60 and 667,879

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Solution

The fourth proportional to 943,028.22, 1,301,407.60 and 667,879 is: 921,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,028.22 : 1,301,407.60 = 667,879 : x
  2. Step 2: Convert to fraction form
    943,028.22/1,301,407.60 = 667,879/x
  3. Step 3: Cross multiply
    943,028.22x = 1,301,407.60 × 667,879
  4. Step 4: Simplify right side
    943,028.22x = 869,182,806,480.40
  5. Step 5: Solve for x
    x = 869,182,806,480.40/943,028.22
  6. Step 6: Final answer
    x = 921,693.32

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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.