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Finding the Fourth Proportional to 6,503,000.40, 9,745,169.40 and 4,783,726.80

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Solution

The fourth proportional to 6,503,000.40, 9,745,169.40 and 4,783,726.80 is: 7,168,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,000.40 : 9,745,169.40 = 4,783,726.80 : x
  2. Step 2: Convert to fraction form
    6,503,000.40/9,745,169.40 = 4,783,726.80/x
  3. Step 3: Cross multiply
    6,503,000.40x = 9,745,169.40 × 4,783,726.80
  4. Step 4: Simplify right side
    6,503,000.40x = 46,618,228,029,319.92
  5. Step 5: Solve for x
    x = 46,618,228,029,319.92/6,503,000.40
  6. Step 6: Final answer
    x = 7,168,726.00

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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.