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Finding the Fourth Proportional to 922,275.77, 1,383,309.74 and 248,406.39

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Solution

The fourth proportional to 922,275.77, 1,383,309.74 and 248,406.39 is: 372,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,275.77 : 1,383,309.74 = 248,406.39 : x
  2. Step 2: Convert to fraction form
    922,275.77/1,383,309.74 = 248,406.39/x
  3. Step 3: Cross multiply
    922,275.77x = 1,383,309.74 × 248,406.39
  4. Step 4: Simplify right side
    922,275.77x = 343,622,979,386.26
  5. Step 5: Solve for x
    x = 343,622,979,386.26/922,275.77
  6. Step 6: Final answer
    x = 372,581.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.