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Finding the Fourth Proportional to 450,786.76, 622,127.46 and 249,582.76

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Solution

The fourth proportional to 450,786.76, 622,127.46 and 249,582.76 is: 344,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,786.76 : 622,127.46 = 249,582.76 : x
  2. Step 2: Convert to fraction form
    450,786.76/622,127.46 = 249,582.76/x
  3. Step 3: Cross multiply
    450,786.76x = 622,127.46 × 249,582.76
  4. Step 4: Simplify right side
    450,786.76x = 155,272,288,538.59
  5. Step 5: Solve for x
    x = 155,272,288,538.59/450,786.76
  6. Step 6: Final answer
    x = 344,447.31

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1.5x scale

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.