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Finding the Fourth Proportional to 1,788,453.60, 2,468,055.60 and 983,637.60

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Solution

The fourth proportional to 1,788,453.60, 2,468,055.60 and 983,637.60 is: 1,357,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,453.60 : 2,468,055.60 = 983,637.60 : x
  2. Step 2: Convert to fraction form
    1,788,453.60/2,468,055.60 = 983,637.60/x
  3. Step 3: Cross multiply
    1,788,453.60x = 2,468,055.60 × 983,637.60
  4. Step 4: Simplify right side
    1,788,453.60x = 2,427,672,287,050.56
  5. Step 5: Solve for x
    x = 2,427,672,287,050.56/1,788,453.60
  6. Step 6: Final answer
    x = 1,357,414.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.