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Finding the Fourth Proportional to 4,670,978.16, 6,445,950.96 and 2,633,788.08

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Solution

The fourth proportional to 4,670,978.16, 6,445,950.96 and 2,633,788.08 is: 3,634,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670,978.16 : 6,445,950.96 = 2,633,788.08 : x
  2. Step 2: Convert to fraction form
    4,670,978.16/6,445,950.96 = 2,633,788.08/x
  3. Step 3: Cross multiply
    4,670,978.16x = 6,445,950.96 × 2,633,788.08
  4. Step 4: Simplify right side
    4,670,978.16x = 16,977,268,802,712.56
  5. Step 5: Solve for x
    x = 16,977,268,802,712.56/4,670,978.16
  6. Step 6: Final answer
    x = 3,634,628.17

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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.