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Finding the Fourth Proportional to 367,661.55, 507,294.23 and 214,630.28

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Solution

The fourth proportional to 367,661.55, 507,294.23 and 214,630.28 is: 296,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,661.55 : 507,294.23 = 214,630.28 : x
  2. Step 2: Convert to fraction form
    367,661.55/507,294.23 = 214,630.28/x
  3. Step 3: Cross multiply
    367,661.55x = 507,294.23 × 214,630.28
  4. Step 4: Simplify right side
    367,661.55x = 108,880,705,658.97
  5. Step 5: Solve for x
    x = 108,880,705,658.97/367,661.55
  6. Step 6: Final answer
    x = 296,143.85

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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.