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Finding the Fourth Proportional to 355,301.90, 532,369.65 and 302,813.90

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Solution

The fourth proportional to 355,301.90, 532,369.65 and 302,813.90 is: 453,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,301.90 : 532,369.65 = 302,813.90 : x
  2. Step 2: Convert to fraction form
    355,301.90/532,369.65 = 302,813.90/x
  3. Step 3: Cross multiply
    355,301.90x = 532,369.65 × 302,813.90
  4. Step 4: Simplify right side
    355,301.90x = 161,208,929,958.14
  5. Step 5: Solve for x
    x = 161,208,929,958.14/355,301.90
  6. Step 6: Final answer
    x = 453,723.80

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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.