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Finding the Fourth Proportional to 249,344.80, 374,017.20 and 245,408.20

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Solution

The fourth proportional to 249,344.80, 374,017.20 and 245,408.20 is: 368,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,344.80 : 374,017.20 = 245,408.20 : x
  2. Step 2: Convert to fraction form
    249,344.80/374,017.20 = 245,408.20/x
  3. Step 3: Cross multiply
    249,344.80x = 374,017.20 × 245,408.20
  4. Step 4: Simplify right side
    249,344.80x = 91,786,887,821.04
  5. Step 5: Solve for x
    x = 91,786,887,821.04/249,344.80
  6. Step 6: Final answer
    x = 368,112.30

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1.5x scale

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.