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Finding the Fourth Proportional to 453,775.75, 626,186.75 and 249,786.82

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Solution

The fourth proportional to 453,775.75, 626,186.75 and 249,786.82 is: 344,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,775.75 : 626,186.75 = 249,786.82 : x
  2. Step 2: Convert to fraction form
    453,775.75/626,186.75 = 249,786.82/x
  3. Step 3: Cross multiply
    453,775.75x = 626,186.75 × 249,786.82
  4. Step 4: Simplify right side
    453,775.75x = 156,413,197,008.64
  5. Step 5: Solve for x
    x = 156,413,197,008.64/453,775.75
  6. Step 6: Final answer
    x = 344,692.72

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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.