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Finding the Fourth Proportional to 1,275,836.04, 1,913,404.14 and 476,852.04

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Solution

The fourth proportional to 1,275,836.04, 1,913,404.14 and 476,852.04 is: 715,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,836.04 : 1,913,404.14 = 476,852.04 : x
  2. Step 2: Convert to fraction form
    1,275,836.04/1,913,404.14 = 476,852.04/x
  3. Step 3: Cross multiply
    1,275,836.04x = 1,913,404.14 × 476,852.04
  4. Step 4: Simplify right side
    1,275,836.04x = 912,410,667,503.45
  5. Step 5: Solve for x
    x = 912,410,667,503.45/1,275,836.04
  6. Step 6: Final answer
    x = 715,147.28

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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.