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Finding the Fourth Proportional to 845,908.40, 1,268,862.60 and 608,740.40

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Solution

The fourth proportional to 845,908.40, 1,268,862.60 and 608,740.40 is: 913,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,908.40 : 1,268,862.60 = 608,740.40 : x
  2. Step 2: Convert to fraction form
    845,908.40/1,268,862.60 = 608,740.40/x
  3. Step 3: Cross multiply
    845,908.40x = 1,268,862.60 × 608,740.40
  4. Step 4: Simplify right side
    845,908.40x = 772,407,926,669.04
  5. Step 5: Solve for x
    x = 772,407,926,669.04/845,908.40
  6. Step 6: Final answer
    x = 913,110.60

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