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Finding the Fourth Proportional to 1,742,608.20, 2,404,769.08 and 968,246.20

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Solution

The fourth proportional to 1,742,608.20, 2,404,769.08 and 968,246.20 is: 1,336,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,608.20 : 2,404,769.08 = 968,246.20 : x
  2. Step 2: Convert to fraction form
    1,742,608.20/2,404,769.08 = 968,246.20/x
  3. Step 3: Cross multiply
    1,742,608.20x = 2,404,769.08 × 968,246.20
  4. Step 4: Simplify right side
    1,742,608.20x = 2,328,408,523,587.50
  5. Step 5: Solve for x
    x = 2,328,408,523,587.50/1,742,608.20
  6. Step 6: Final answer
    x = 1,336,162.96

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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.