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Finding the Fourth Proportional to 1,742,844.03, 2,613,147.16 and 676,750.11

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Solution

The fourth proportional to 1,742,844.03, 2,613,147.16 and 676,750.11 is: 1,014,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,844.03 : 2,613,147.16 = 676,750.11 : x
  2. Step 2: Convert to fraction form
    1,742,844.03/2,613,147.16 = 676,750.11/x
  3. Step 3: Cross multiply
    1,742,844.03x = 2,613,147.16 × 676,750.11
  4. Step 4: Simplify right side
    1,742,844.03x = 1,768,447,627,976.19
  5. Step 5: Solve for x
    x = 1,768,447,627,976.19/1,742,844.03
  6. Step 6: Final answer
    x = 1,014,690.70

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Why These Related Problems?

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