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Finding the Fourth Proportional to 283,536.80, 424,867.80 and 245,920.40

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Solution

The fourth proportional to 283,536.80, 424,867.80 and 245,920.40 is: 368,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,536.80 : 424,867.80 = 245,920.40 : x
  2. Step 2: Convert to fraction form
    283,536.80/424,867.80 = 245,920.40/x
  3. Step 3: Cross multiply
    283,536.80x = 424,867.80 × 245,920.40
  4. Step 4: Simplify right side
    283,536.80x = 104,483,659,323.12
  5. Step 5: Solve for x
    x = 104,483,659,323.12/283,536.80
  6. Step 6: Final answer
    x = 368,501.23

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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.