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Finding the Fourth Proportional to 831,925.60, 1,245,555.60 and 808,597.60

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Solution

The fourth proportional to 831,925.60, 1,245,555.60 and 808,597.60 is: 1,210,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,925.60 : 1,245,555.60 = 808,597.60 : x
  2. Step 2: Convert to fraction form
    831,925.60/1,245,555.60 = 808,597.60/x
  3. Step 3: Cross multiply
    831,925.60x = 1,245,555.60 × 808,597.60
  4. Step 4: Simplify right side
    831,925.60x = 1,007,153,268,826.56
  5. Step 5: Solve for x
    x = 1,007,153,268,826.56/831,925.60
  6. Step 6: Final answer
    x = 1,210,629.01

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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.