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Finding the Fourth Proportional to 403,711,751.60, 605,851,062.60 and 173,845,804.40

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Solution

The fourth proportional to 403,711,751.60, 605,851,062.60 and 173,845,804.40 is: 260,890,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,751.60 : 605,851,062.60 = 173,845,804.40 : x
  2. Step 2: Convert to fraction form
    403,711,751.60/605,851,062.60 = 173,845,804.40/x
  3. Step 3: Cross multiply
    403,711,751.60x = 605,851,062.60 × 173,845,804.40
  4. Step 4: Simplify right side
    403,711,751.60x = 105,324,665,324,291,760
  5. Step 5: Solve for x
    x = 105,324,665,324,291,760/403,711,751.60
  6. Step 6: Final answer
    x = 260,890,759.08

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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.