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Finding the Fourth Proportional to 6,473,778, 8,933,813.64 and 3,612,210

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Solution

The fourth proportional to 6,473,778, 8,933,813.64 and 3,612,210 is: 4,984,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,778 : 8,933,813.64 = 3,612,210 : x
  2. Step 2: Convert to fraction form
    6,473,778/8,933,813.64 = 3,612,210/x
  3. Step 3: Cross multiply
    6,473,778x = 8,933,813.64 × 3,612,210
  4. Step 4: Simplify right side
    6,473,778x = 32,270,810,968,544.40
  5. Step 5: Solve for x
    x = 32,270,810,968,544.40/6,473,778
  6. Step 6: Final answer
    x = 4,984,849.80

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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.