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Finding the Fourth Proportional to 1,303,276.80, 1,956,664.80 and 832,051.20

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Solution

The fourth proportional to 1,303,276.80, 1,956,664.80 and 832,051.20 is: 1,249,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,276.80 : 1,956,664.80 = 832,051.20 : x
  2. Step 2: Convert to fraction form
    1,303,276.80/1,956,664.80 = 832,051.20/x
  3. Step 3: Cross multiply
    1,303,276.80x = 1,956,664.80 × 832,051.20
  4. Step 4: Simplify right side
    1,303,276.80x = 1,628,045,294,837.76
  5. Step 5: Solve for x
    x = 1,628,045,294,837.76/1,303,276.80
  6. Step 6: Final answer
    x = 1,249,193.80

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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.