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Finding the Fourth Proportional to 1,329,932.93, 1,835,352.73 and 786,534.50

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Solution

The fourth proportional to 1,329,932.93, 1,835,352.73 and 786,534.50 is: 1,085,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,932.93 : 1,835,352.73 = 786,534.50 : x
  2. Step 2: Convert to fraction form
    1,329,932.93/1,835,352.73 = 786,534.50/x
  3. Step 3: Cross multiply
    1,329,932.93x = 1,835,352.73 × 786,534.50
  4. Step 4: Simplify right side
    1,329,932.93x = 1,443,568,242,961.48
  5. Step 5: Solve for x
    x = 1,443,568,242,961.48/1,329,932.93
  6. Step 6: Final answer
    x = 1,085,444.40

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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.