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Finding the Fourth Proportional to 407,378.90, 562,250.50 and 237,613.03

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Solution

The fourth proportional to 407,378.90, 562,250.50 and 237,613.03 is: 327,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,378.90 : 562,250.50 = 237,613.03 : x
  2. Step 2: Convert to fraction form
    407,378.90/562,250.50 = 237,613.03/x
  3. Step 3: Cross multiply
    407,378.90x = 562,250.50 × 237,613.03
  4. Step 4: Simplify right side
    407,378.90x = 133,598,042,924.36
  5. Step 5: Solve for x
    x = 133,598,042,924.36/407,378.90
  6. Step 6: Final answer
    x = 327,945.41

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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.