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Finding the Fourth Proportional to 488,646,804.47, 674,327,799.50 and 265,615,216.20

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Solution

The fourth proportional to 488,646,804.47, 674,327,799.50 and 265,615,216.20 is: 366,546,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,646,804.47 : 674,327,799.50 = 265,615,216.20 : x
  2. Step 2: Convert to fraction form
    488,646,804.47/674,327,799.50 = 265,615,216.20/x
  3. Step 3: Cross multiply
    488,646,804.47x = 674,327,799.50 × 265,615,216.20
  4. Step 4: Simplify right side
    488,646,804.47x = 179,111,724,252,534,656
  5. Step 5: Solve for x
    x = 179,111,724,252,534,656/488,646,804.47
  6. Step 6: Final answer
    x = 366,546,394.28

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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.