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Finding the Fourth Proportional to 367,862.80, 551,502.60 and 201,650.80

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Solution

The fourth proportional to 367,862.80, 551,502.60 and 201,650.80 is: 302,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,862.80 : 551,502.60 = 201,650.80 : x
  2. Step 2: Convert to fraction form
    367,862.80/551,502.60 = 201,650.80/x
  3. Step 3: Cross multiply
    367,862.80x = 551,502.60 × 201,650.80
  4. Step 4: Simplify right side
    367,862.80x = 111,210,940,492.08
  5. Step 5: Solve for x
    x = 111,210,940,492.08/367,862.80
  6. Step 6: Final answer
    x = 302,316.35

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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.