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Finding the Fourth Proportional to 249,716.60, 375,386.88 and 200,336.84

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Solution

The fourth proportional to 249,716.60, 375,386.88 and 200,336.84 is: 301,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,716.60 : 375,386.88 = 200,336.84 : x
  2. Step 2: Convert to fraction form
    249,716.60/375,386.88 = 200,336.84/x
  3. Step 3: Cross multiply
    249,716.60x = 375,386.88 × 200,336.84
  4. Step 4: Simplify right side
    249,716.60x = 75,203,821,316.66
  5. Step 5: Solve for x
    x = 75,203,821,316.66/249,716.60
  6. Step 6: Final answer
    x = 301,156.68

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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.