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Finding the Fourth Proportional to 603,426.84, 832,359.67 and 358,245.19

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Solution

The fourth proportional to 603,426.84, 832,359.67 and 358,245.19 is: 494,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,426.84 : 832,359.67 = 358,245.19 : x
  2. Step 2: Convert to fraction form
    603,426.84/832,359.67 = 358,245.19/x
  3. Step 3: Cross multiply
    603,426.84x = 832,359.67 × 358,245.19
  4. Step 4: Simplify right side
    603,426.84x = 298,188,846,938.88
  5. Step 5: Solve for x
    x = 298,188,846,938.88/603,426.84
  6. Step 6: Final answer
    x = 494,159.07

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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.