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Finding the Fourth Proportional to 352,555, 486,525.90 and 193,579

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Solution

The fourth proportional to 352,555, 486,525.90 and 193,579 is: 267,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,555 : 486,525.90 = 193,579 : x
  2. Step 2: Convert to fraction form
    352,555/486,525.90 = 193,579/x
  3. Step 3: Cross multiply
    352,555x = 486,525.90 × 193,579
  4. Step 4: Simplify right side
    352,555x = 94,181,197,196.10
  5. Step 5: Solve for x
    x = 94,181,197,196.10/352,555
  6. Step 6: Final answer
    x = 267,139.02

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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.