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Finding the Fourth Proportional to 6,361,588.88, 8,779,030.88 and 3,461,000.64

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Solution

The fourth proportional to 6,361,588.88, 8,779,030.88 and 3,461,000.64 is: 4,776,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361,588.88 : 8,779,030.88 = 3,461,000.64 : x
  2. Step 2: Convert to fraction form
    6,361,588.88/8,779,030.88 = 3,461,000.64/x
  3. Step 3: Cross multiply
    6,361,588.88x = 8,779,030.88 × 3,461,000.64
  4. Step 4: Simplify right side
    6,361,588.88x = 30,384,231,494,259.77
  5. Step 5: Solve for x
    x = 30,384,231,494,259.77/6,361,588.88
  6. Step 6: Final answer
    x = 4,776,201.68

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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.