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Finding the Fourth Proportional to 453,059.30, 625,205.84 and 249,108.80

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Solution

The fourth proportional to 453,059.30, 625,205.84 and 249,108.80 is: 343,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,059.30 : 625,205.84 = 249,108.80 : x
  2. Step 2: Convert to fraction form
    453,059.30/625,205.84 = 249,108.80/x
  3. Step 3: Cross multiply
    453,059.30x = 625,205.84 × 249,108.80
  4. Step 4: Simplify right side
    453,059.30x = 155,744,272,183.82
  5. Step 5: Solve for x
    x = 155,744,272,183.82/453,059.30
  6. Step 6: Final answer
    x = 343,761.34

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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.