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Finding the Fourth Proportional to 450,991.06, 622,333.41 and 249,782.74

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Solution

The fourth proportional to 450,991.06, 622,333.41 and 249,782.74 is: 344,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,991.06 : 622,333.41 = 249,782.74 : x
  2. Step 2: Convert to fraction form
    450,991.06/622,333.41 = 249,782.74/x
  3. Step 3: Cross multiply
    450,991.06x = 622,333.41 × 249,782.74
  4. Step 4: Simplify right side
    450,991.06x = 155,448,144,343.34
  5. Step 5: Solve for x
    x = 155,448,144,343.34/450,991.06
  6. Step 6: Final answer
    x = 344,681.21

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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.