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Finding the Fourth Proportional to 364,564.34, 503,100.18 and 203,426.18

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Solution

The fourth proportional to 364,564.34, 503,100.18 and 203,426.18 is: 280,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,564.34 : 503,100.18 = 203,426.18 : x
  2. Step 2: Convert to fraction form
    364,564.34/503,100.18 = 203,426.18/x
  3. Step 3: Cross multiply
    364,564.34x = 503,100.18 × 203,426.18
  4. Step 4: Simplify right side
    364,564.34x = 102,343,747,774.71
  5. Step 5: Solve for x
    x = 102,343,747,774.71/364,564.34
  6. Step 6: Final answer
    x = 280,728.90

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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.