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Finding the Fourth Proportional to 432,054.87, 596,140.25 and 250,661.67

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Solution

The fourth proportional to 432,054.87, 596,140.25 and 250,661.67 is: 345,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,054.87 : 596,140.25 = 250,661.67 : x
  2. Step 2: Convert to fraction form
    432,054.87/596,140.25 = 250,661.67/x
  3. Step 3: Cross multiply
    432,054.87x = 596,140.25 × 250,661.67
  4. Step 4: Simplify right side
    432,054.87x = 149,429,510,619.22
  5. Step 5: Solve for x
    x = 149,429,510,619.22/432,054.87
  6. Step 6: Final answer
    x = 345,857.72

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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.