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Finding the Fourth Proportional to 1,171,803, 1,617,260.70 and 742,123.08

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Solution

The fourth proportional to 1,171,803, 1,617,260.70 and 742,123.08 is: 1,024,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,803 : 1,617,260.70 = 742,123.08 : x
  2. Step 2: Convert to fraction form
    1,171,803/1,617,260.70 = 742,123.08/x
  3. Step 3: Cross multiply
    1,171,803x = 1,617,260.70 × 742,123.08
  4. Step 4: Simplify right side
    1,171,803x = 1,200,206,491,846.96
  5. Step 5: Solve for x
    x = 1,200,206,491,846.96/1,171,803
  6. Step 6: Final answer
    x = 1,024,239.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.