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Finding the Fourth Proportional to 458,258.77, 633,013.68 and 352,155.25

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Solution

The fourth proportional to 458,258.77, 633,013.68 and 352,155.25 is: 486,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,258.77 : 633,013.68 = 352,155.25 : x
  2. Step 2: Convert to fraction form
    458,258.77/633,013.68 = 352,155.25/x
  3. Step 3: Cross multiply
    458,258.77x = 633,013.68 × 352,155.25
  4. Step 4: Simplify right side
    458,258.77x = 222,919,090,733.82
  5. Step 5: Solve for x
    x = 222,919,090,733.82/458,258.77
  6. Step 6: Final answer
    x = 486,448.06

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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.