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Finding the Fourth Proportional to 625,580.19, 863,294.76 and 349,935.03

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Solution

The fourth proportional to 625,580.19, 863,294.76 and 349,935.03 is: 482,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,580.19 : 863,294.76 = 349,935.03 : x
  2. Step 2: Convert to fraction form
    625,580.19/863,294.76 = 349,935.03/x
  3. Step 3: Cross multiply
    625,580.19x = 863,294.76 × 349,935.03
  4. Step 4: Simplify right side
    625,580.19x = 302,097,077,739.44
  5. Step 5: Solve for x
    x = 302,097,077,739.44/625,580.19
  6. Step 6: Final answer
    x = 482,907.04

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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.