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Finding the Fourth Proportional to 450,796.50, 622,099.20 and 249,592.50

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Solution

The fourth proportional to 450,796.50, 622,099.20 and 249,592.50 is: 344,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,796.50 : 622,099.20 = 249,592.50 : x
  2. Step 2: Convert to fraction form
    450,796.50/622,099.20 = 249,592.50/x
  3. Step 3: Cross multiply
    450,796.50x = 622,099.20 × 249,592.50
  4. Step 4: Simplify right side
    450,796.50x = 155,271,294,576
  5. Step 5: Solve for x
    x = 155,271,294,576/450,796.50
  6. Step 6: Final answer
    x = 344,437.67

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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.