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Finding the Fourth Proportional to 283,268.34, 390,860.64 and 170,093.52

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Solution

The fourth proportional to 283,268.34, 390,860.64 and 170,093.52 is: 234,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,268.34 : 390,860.64 = 170,093.52 : x
  2. Step 2: Convert to fraction form
    283,268.34/390,860.64 = 170,093.52/x
  3. Step 3: Cross multiply
    283,268.34x = 390,860.64 × 170,093.52
  4. Step 4: Simplify right side
    283,268.34x = 66,482,862,087.05
  5. Step 5: Solve for x
    x = 66,482,862,087.05/283,268.34
  6. Step 6: Final answer
    x = 234,699.23

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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.