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Finding the Fourth Proportional to 318,884.33, 440,060.32 and 175,644.37

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Solution

The fourth proportional to 318,884.33, 440,060.32 and 175,644.37 is: 242,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,884.33 : 440,060.32 = 175,644.37 : x
  2. Step 2: Convert to fraction form
    318,884.33/440,060.32 = 175,644.37/x
  3. Step 3: Cross multiply
    318,884.33x = 440,060.32 × 175,644.37
  4. Step 4: Simplify right side
    318,884.33x = 77,294,117,668.40
  5. Step 5: Solve for x
    x = 77,294,117,668.40/318,884.33
  6. Step 6: Final answer
    x = 242,389.20

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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.