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Finding the Fourth Proportional to 6,357,484.14, 8,776,578.87 and 4,903,916.46

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Solution

The fourth proportional to 6,357,484.14, 8,776,578.87 and 4,903,916.46 is: 6,769,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,484.14 : 8,776,578.87 = 4,903,916.46 : x
  2. Step 2: Convert to fraction form
    6,357,484.14/8,776,578.87 = 4,903,916.46/x
  3. Step 3: Cross multiply
    6,357,484.14x = 8,776,578.87 × 4,903,916.46
  4. Step 4: Simplify right side
    6,357,484.14x = 43,039,609,583,081.20
  5. Step 5: Solve for x
    x = 43,039,609,583,081.20/6,357,484.14
  6. Step 6: Final answer
    x = 6,769,912.22

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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.