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Finding the Fourth Proportional to 453,965.78, 626,284.76 and 270,167.60

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Solution

The fourth proportional to 453,965.78, 626,284.76 and 270,167.60 is: 372,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,965.78 : 626,284.76 = 270,167.60 : x
  2. Step 2: Convert to fraction form
    453,965.78/626,284.76 = 270,167.60/x
  3. Step 3: Cross multiply
    453,965.78x = 626,284.76 × 270,167.60
  4. Step 4: Simplify right side
    453,965.78x = 169,201,850,525.78
  5. Step 5: Solve for x
    x = 169,201,850,525.78/453,965.78
  6. Step 6: Final answer
    x = 372,719.39

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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.