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Finding the Fourth Proportional to 453,771.40, 626,193.09 and 249,820.29

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Solution

The fourth proportional to 453,771.40, 626,193.09 and 249,820.29 is: 344,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,771.40 : 626,193.09 = 249,820.29 : x
  2. Step 2: Convert to fraction form
    453,771.40/626,193.09 = 249,820.29/x
  3. Step 3: Cross multiply
    453,771.40x = 626,193.09 × 249,820.29
  4. Step 4: Simplify right side
    453,771.40x = 156,435,739,339.80
  5. Step 5: Solve for x
    x = 156,435,739,339.80/453,771.40
  6. Step 6: Final answer
    x = 344,745.70

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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.