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Finding the Fourth Proportional to 1,623,930.96, 2,241,029.52 and 898,829.04

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Solution

The fourth proportional to 1,623,930.96, 2,241,029.52 and 898,829.04 is: 1,240,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,930.96 : 2,241,029.52 = 898,829.04 : x
  2. Step 2: Convert to fraction form
    1,623,930.96/2,241,029.52 = 898,829.04/x
  3. Step 3: Cross multiply
    1,623,930.96x = 2,241,029.52 × 898,829.04
  4. Step 4: Simplify right side
    1,623,930.96x = 2,014,302,412,073.26
  5. Step 5: Solve for x
    x = 2,014,302,412,073.26/1,623,930.96
  6. Step 6: Final answer
    x = 1,240,386.73

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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.