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Finding the Fourth Proportional to 360,433.36, 540,569.86 and 104,209.98

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Solution

The fourth proportional to 360,433.36, 540,569.86 and 104,209.98 is: 156,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,433.36 : 540,569.86 = 104,209.98 : x
  2. Step 2: Convert to fraction form
    360,433.36/540,569.86 = 104,209.98/x
  3. Step 3: Cross multiply
    360,433.36x = 540,569.86 × 104,209.98
  4. Step 4: Simplify right side
    360,433.36x = 56,332,774,299.20
  5. Step 5: Solve for x
    x = 56,332,774,299.20/360,433.36
  6. Step 6: Final answer
    x = 156,291.79

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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.