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Finding the Fourth Proportional to 603,470.34, 832,803.72 and 331,555.82

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Solution

The fourth proportional to 603,470.34, 832,803.72 and 331,555.82 is: 457,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,470.34 : 832,803.72 = 331,555.82 : x
  2. Step 2: Convert to fraction form
    603,470.34/832,803.72 = 331,555.82/x
  3. Step 3: Cross multiply
    603,470.34x = 832,803.72 × 331,555.82
  4. Step 4: Simplify right side
    603,470.34x = 276,120,920,283.65
  5. Step 5: Solve for x
    x = 276,120,920,283.65/603,470.34
  6. Step 6: Final answer
    x = 457,555.08

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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.