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Finding the Fourth Proportional to 683,329.71, 943,004.04 and 377,405.16

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Solution

The fourth proportional to 683,329.71, 943,004.04 and 377,405.16 is: 520,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,329.71 : 943,004.04 = 377,405.16 : x
  2. Step 2: Convert to fraction form
    683,329.71/943,004.04 = 377,405.16/x
  3. Step 3: Cross multiply
    683,329.71x = 943,004.04 × 377,405.16
  4. Step 4: Simplify right side
    683,329.71x = 355,894,589,181.58
  5. Step 5: Solve for x
    x = 355,894,589,181.58/683,329.71
  6. Step 6: Final answer
    x = 520,824.11

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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.