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Finding the Fourth Proportional to 649,672.14, 896,567.31 and 363,204.30

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Solution

The fourth proportional to 649,672.14, 896,567.31 and 363,204.30 is: 501,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,672.14 : 896,567.31 = 363,204.30 : x
  2. Step 2: Convert to fraction form
    649,672.14/896,567.31 = 363,204.30/x
  3. Step 3: Cross multiply
    649,672.14x = 896,567.31 × 363,204.30
  4. Step 4: Simplify right side
    649,672.14x = 325,637,102,231.43
  5. Step 5: Solve for x
    x = 325,637,102,231.43/649,672.14
  6. Step 6: Final answer
    x = 501,232.98

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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.