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Finding the Fourth Proportional to 451,075.32, 622,483.94 and 249,871.32

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Solution

The fourth proportional to 451,075.32, 622,483.94 and 249,871.32 is: 344,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,075.32 : 622,483.94 = 249,871.32 : x
  2. Step 2: Convert to fraction form
    451,075.32/622,483.94 = 249,871.32/x
  3. Step 3: Cross multiply
    451,075.32x = 622,483.94 × 249,871.32
  4. Step 4: Simplify right side
    451,075.32x = 155,540,882,517.24
  5. Step 5: Solve for x
    x = 155,540,882,517.24/451,075.32
  6. Step 6: Final answer
    x = 344,822.42

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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.