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Finding the Fourth Proportional to 486,252.88, 670,225.85 and 325,049.11

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Solution

The fourth proportional to 486,252.88, 670,225.85 and 325,049.11 is: 448,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,252.88 : 670,225.85 = 325,049.11 : x
  2. Step 2: Convert to fraction form
    486,252.88/670,225.85 = 325,049.11/x
  3. Step 3: Cross multiply
    486,252.88x = 670,225.85 × 325,049.11
  4. Step 4: Simplify right side
    486,252.88x = 217,856,316,041.49
  5. Step 5: Solve for x
    x = 217,856,316,041.49/486,252.88
  6. Step 6: Final answer
    x = 448,030.90

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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.