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Finding the Fourth Proportional to 453,831.94, 626,282.89 and 249,878.60

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Solution

The fourth proportional to 453,831.94, 626,282.89 and 249,878.60 is: 344,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,831.94 : 626,282.89 = 249,878.60 : x
  2. Step 2: Convert to fraction form
    453,831.94/626,282.89 = 249,878.60/x
  3. Step 3: Cross multiply
    453,831.94x = 626,282.89 × 249,878.60
  4. Step 4: Simplify right side
    453,831.94x = 156,494,691,757.15
  5. Step 5: Solve for x
    x = 156,494,691,757.15/453,831.94
  6. Step 6: Final answer
    x = 344,829.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.