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Finding the Fourth Proportional to 266,349.44, 367,563.48 and 145,492.40

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Solution

The fourth proportional to 266,349.44, 367,563.48 and 145,492.40 is: 200,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,349.44 : 367,563.48 = 145,492.40 : x
  2. Step 2: Convert to fraction form
    266,349.44/367,563.48 = 145,492.40/x
  3. Step 3: Cross multiply
    266,349.44x = 367,563.48 × 145,492.40
  4. Step 4: Simplify right side
    266,349.44x = 53,477,692,857.55
  5. Step 5: Solve for x
    x = 53,477,692,857.55/266,349.44
  6. Step 6: Final answer
    x = 200,780.20

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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.