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Finding the Fourth Proportional to 364,954.69, 503,632.42 and 212,079.25

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Solution

The fourth proportional to 364,954.69, 503,632.42 and 212,079.25 is: 292,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,954.69 : 503,632.42 = 212,079.25 : x
  2. Step 2: Convert to fraction form
    364,954.69/503,632.42 = 212,079.25/x
  3. Step 3: Cross multiply
    364,954.69x = 503,632.42 × 212,079.25
  4. Step 4: Simplify right side
    364,954.69x = 106,809,985,909.29
  5. Step 5: Solve for x
    x = 106,809,985,909.29/364,954.69
  6. Step 6: Final answer
    x = 292,666.43

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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.