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Finding the Fourth Proportional to 993,368, 1,370,847.84 and 540,662.24

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Solution

The fourth proportional to 993,368, 1,370,847.84 and 540,662.24 is: 746,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,368 : 1,370,847.84 = 540,662.24 : x
  2. Step 2: Convert to fraction form
    993,368/1,370,847.84 = 540,662.24/x
  3. Step 3: Cross multiply
    993,368x = 1,370,847.84 × 540,662.24
  4. Step 4: Simplify right side
    993,368x = 741,165,663,873.56
  5. Step 5: Solve for x
    x = 741,165,663,873.56/993,368
  6. Step 6: Final answer
    x = 746,113.89

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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.