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Finding the Fourth Proportional to 940,993.48, 1,300,485.03 and 711,477.40

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Solution

The fourth proportional to 940,993.48, 1,300,485.03 and 711,477.40 is: 983,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,993.48 : 1,300,485.03 = 711,477.40 : x
  2. Step 2: Convert to fraction form
    940,993.48/1,300,485.03 = 711,477.40/x
  3. Step 3: Cross multiply
    940,993.48x = 1,300,485.03 × 711,477.40
  4. Step 4: Simplify right side
    940,993.48x = 925,265,709,474.74
  5. Step 5: Solve for x
    x = 925,265,709,474.74/940,993.48
  6. Step 6: Final answer
    x = 983,285.99

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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.