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Finding the Fourth Proportional to 1,253,977.83, 1,731,206.73 and 825,503.52

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Solution

The fourth proportional to 1,253,977.83, 1,731,206.73 and 825,503.52 is: 1,139,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,977.83 : 1,731,206.73 = 825,503.52 : x
  2. Step 2: Convert to fraction form
    1,253,977.83/1,731,206.73 = 825,503.52/x
  3. Step 3: Cross multiply
    1,253,977.83x = 1,731,206.73 × 825,503.52
  4. Step 4: Simplify right side
    1,253,977.83x = 1,429,117,249,462.69
  5. Step 5: Solve for x
    x = 1,429,117,249,462.69/1,253,977.83
  6. Step 6: Final answer
    x = 1,139,667.08

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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.