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Finding the Fourth Proportional to 1,249,170, 1,873,806.84 and 362,706

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Solution

The fourth proportional to 1,249,170, 1,873,806.84 and 362,706 is: 544,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,170 : 1,873,806.84 = 362,706 : x
  2. Step 2: Convert to fraction form
    1,249,170/1,873,806.84 = 362,706/x
  3. Step 3: Cross multiply
    1,249,170x = 1,873,806.84 × 362,706
  4. Step 4: Simplify right side
    1,249,170x = 679,640,983,709.04
  5. Step 5: Solve for x
    x = 679,640,983,709.04/1,249,170
  6. Step 6: Final answer
    x = 544,074.05

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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.