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Finding the Fourth Proportional to 1,868,844.96, 2,803,501.94 and 731,460.38

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Solution

The fourth proportional to 1,868,844.96, 2,803,501.94 and 731,460.38 is: 1,097,282.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,844.96 : 2,803,501.94 = 731,460.38 : x
  2. Step 2: Convert to fraction form
    1,868,844.96/2,803,501.94 = 731,460.38/x
  3. Step 3: Cross multiply
    1,868,844.96x = 2,803,501.94 × 731,460.38
  4. Step 4: Simplify right side
    1,868,844.96x = 2,050,650,576,688.33
  5. Step 5: Solve for x
    x = 2,050,650,576,688.33/1,868,844.96
  6. Step 6: Final answer
    x = 1,097,282.34

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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.