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Finding the Fourth Proportional to 4,406,978, 6,611,572.92 and 1,255,106

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Solution

The fourth proportional to 4,406,978, 6,611,572.92 and 1,255,106 is: 1,882,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406,978 : 6,611,572.92 = 1,255,106 : x
  2. Step 2: Convert to fraction form
    4,406,978/6,611,572.92 = 1,255,106/x
  3. Step 3: Cross multiply
    4,406,978x = 6,611,572.92 × 1,255,106
  4. Step 4: Simplify right side
    4,406,978x = 8,298,224,841,329.52
  5. Step 5: Solve for x
    x = 8,298,224,841,329.52/4,406,978
  6. Step 6: Final answer
    x = 1,882,973.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.