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Finding the Fourth Proportional to 491,738.90, 736,441.95 and 491,738.90

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Solution

The fourth proportional to 491,738.90, 736,441.95 and 491,738.90 is: 736,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,738.90 : 736,441.95 = 491,738.90 : x
  2. Step 2: Convert to fraction form
    491,738.90/736,441.95 = 491,738.90/x
  3. Step 3: Cross multiply
    491,738.90x = 736,441.95 × 491,738.90
  4. Step 4: Simplify right side
    491,738.90x = 362,137,154,406.86
  5. Step 5: Solve for x
    x = 362,137,154,406.86/491,738.90
  6. Step 6: Final answer
    x = 736,441.95

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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.