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Finding the Fourth Proportional to 1,425,360.24, 1,966,932.72 and 852,716.16

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Solution

The fourth proportional to 1,425,360.24, 1,966,932.72 and 852,716.16 is: 1,176,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,360.24 : 1,966,932.72 = 852,716.16 : x
  2. Step 2: Convert to fraction form
    1,425,360.24/1,966,932.72 = 852,716.16/x
  3. Step 3: Cross multiply
    1,425,360.24x = 1,966,932.72 × 852,716.16
  4. Step 4: Simplify right side
    1,425,360.24x = 1,677,235,315,976.76
  5. Step 5: Solve for x
    x = 1,677,235,315,976.76/1,425,360.24
  6. Step 6: Final answer
    x = 1,176,709.77

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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.