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Finding the Fourth Proportional to 1,747,338.76, 2,410,928.58 and 983,113.48

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Solution

The fourth proportional to 1,747,338.76, 2,410,928.58 and 983,113.48 is: 1,356,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,338.76 : 2,410,928.58 = 983,113.48 : x
  2. Step 2: Convert to fraction form
    1,747,338.76/2,410,928.58 = 983,113.48/x
  3. Step 3: Cross multiply
    1,747,338.76x = 2,410,928.58 × 983,113.48
  4. Step 4: Simplify right side
    1,747,338.76x = 2,370,216,386,315.26
  5. Step 5: Solve for x
    x = 2,370,216,386,315.26/1,747,338.76
  6. Step 6: Final answer
    x = 1,356,472.16

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Why These Related Problems?

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