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Finding the Fourth Proportional to 1,331,403.02, 1,837,194.45 and 787,559.30

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Solution

The fourth proportional to 1,331,403.02, 1,837,194.45 and 787,559.30 is: 1,086,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,403.02 : 1,837,194.45 = 787,559.30 : x
  2. Step 2: Convert to fraction form
    1,331,403.02/1,837,194.45 = 787,559.30/x
  3. Step 3: Cross multiply
    1,331,403.02x = 1,837,194.45 × 787,559.30
  4. Step 4: Simplify right side
    1,331,403.02x = 1,446,899,575,005.89
  5. Step 5: Solve for x
    x = 1,446,899,575,005.89/1,331,403.02
  6. Step 6: Final answer
    x = 1,086,748.00

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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.