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Finding the Fourth Proportional to 461,472, 636,831.36 and 249,504

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Solution

The fourth proportional to 461,472, 636,831.36 and 249,504 is: 344,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,472 : 636,831.36 = 249,504 : x
  2. Step 2: Convert to fraction form
    461,472/636,831.36 = 249,504/x
  3. Step 3: Cross multiply
    461,472x = 636,831.36 × 249,504
  4. Step 4: Simplify right side
    461,472x = 158,891,971,645.44
  5. Step 5: Solve for x
    x = 158,891,971,645.44/461,472
  6. Step 6: Final answer
    x = 344,315.52

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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.