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Finding the Fourth Proportional to 450,790.50, 622,110.33 and 249,586.50

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Solution

The fourth proportional to 450,790.50, 622,110.33 and 249,586.50 is: 344,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,790.50 : 622,110.33 = 249,586.50 : x
  2. Step 2: Convert to fraction form
    450,790.50/622,110.33 = 249,586.50/x
  3. Step 3: Cross multiply
    450,790.50x = 622,110.33 × 249,586.50
  4. Step 4: Simplify right side
    450,790.50x = 155,270,339,878.55
  5. Step 5: Solve for x
    x = 155,270,339,878.55/450,790.50
  6. Step 6: Final answer
    x = 344,440.13

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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.