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Finding the Fourth Proportional to 453,868.38, 626,313.56 and 249,880.56

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Solution

The fourth proportional to 453,868.38, 626,313.56 and 249,880.56 is: 344,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,868.38 : 626,313.56 = 249,880.56 : x
  2. Step 2: Convert to fraction form
    453,868.38/626,313.56 = 249,880.56/x
  3. Step 3: Cross multiply
    453,868.38x = 626,313.56 × 249,880.56
  4. Step 4: Simplify right side
    453,868.38x = 156,503,579,510.32
  5. Step 5: Solve for x
    x = 156,503,579,510.32/453,868.38
  6. Step 6: Final answer
    x = 344,821.51

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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.