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Finding the Fourth Proportional to 968,964.80, 1,357,950.40 and 968,964.80

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Solution

The fourth proportional to 968,964.80, 1,357,950.40 and 968,964.80 is: 1,357,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,964.80 : 1,357,950.40 = 968,964.80 : x
  2. Step 2: Convert to fraction form
    968,964.80/1,357,950.40 = 968,964.80/x
  3. Step 3: Cross multiply
    968,964.80x = 1,357,950.40 × 968,964.80
  4. Step 4: Simplify right side
    968,964.80x = 1,315,806,137,745.92
  5. Step 5: Solve for x
    x = 1,315,806,137,745.92/968,964.80
  6. Step 6: Final answer
    x = 1,357,950.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.