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Finding the Fourth Proportional to 453,076.22, 625,258.77 and 249,116.60

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Solution

The fourth proportional to 453,076.22, 625,258.77 and 249,116.60 is: 343,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,076.22 : 625,258.77 = 249,116.60 : x
  2. Step 2: Convert to fraction form
    453,076.22/625,258.77 = 249,116.60/x
  3. Step 3: Cross multiply
    453,076.22x = 625,258.77 × 249,116.60
  4. Step 4: Simplify right side
    453,076.22x = 155,762,338,902.58
  5. Step 5: Solve for x
    x = 155,762,338,902.58/453,076.22
  6. Step 6: Final answer
    x = 343,788.38

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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.