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Finding the Fourth Proportional to 325,575.64, 487,488.50 and 206,602.84

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Solution

The fourth proportional to 325,575.64, 487,488.50 and 206,602.84 is: 309,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,575.64 : 487,488.50 = 206,602.84 : x
  2. Step 2: Convert to fraction form
    325,575.64/487,488.50 = 206,602.84/x
  3. Step 3: Cross multiply
    325,575.64x = 487,488.50 × 206,602.84
  4. Step 4: Simplify right side
    325,575.64x = 100,716,508,567.34
  5. Step 5: Solve for x
    x = 100,716,508,567.34/325,575.64
  6. Step 6: Final answer
    x = 309,349.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.