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Finding the Fourth Proportional to 504,021.37, 756,032.05 and 130,044.37

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Solution

The fourth proportional to 504,021.37, 756,032.05 and 130,044.37 is: 195,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,021.37 : 756,032.05 = 130,044.37 : x
  2. Step 2: Convert to fraction form
    504,021.37/756,032.05 = 130,044.37/x
  3. Step 3: Cross multiply
    504,021.37x = 756,032.05 × 130,044.37
  4. Step 4: Simplify right side
    504,021.37x = 98,317,707,861.90
  5. Step 5: Solve for x
    x = 98,317,707,861.90/504,021.37
  6. Step 6: Final answer
    x = 195,066.55

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Double scale
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Similar ratio
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1.5x scale

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.