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Finding the Fourth Proportional to 622,668.55, 934,298.08 and 370,447.31

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Solution

The fourth proportional to 622,668.55, 934,298.08 and 370,447.31 is: 555,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,668.55 : 934,298.08 = 370,447.31 : x
  2. Step 2: Convert to fraction form
    622,668.55/934,298.08 = 370,447.31/x
  3. Step 3: Cross multiply
    622,668.55x = 934,298.08 × 370,447.31
  4. Step 4: Simplify right side
    622,668.55x = 346,108,210,474.17
  5. Step 5: Solve for x
    x = 346,108,210,474.17/622,668.55
  6. Step 6: Final answer
    x = 555,846.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.