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Finding the Fourth Proportional to 508,445.24, 701,645.10 and 282,085.88

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Solution

The fourth proportional to 508,445.24, 701,645.10 and 282,085.88 is: 389,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,445.24 : 701,645.10 = 282,085.88 : x
  2. Step 2: Convert to fraction form
    508,445.24/701,645.10 = 282,085.88/x
  3. Step 3: Cross multiply
    508,445.24x = 701,645.10 × 282,085.88
  4. Step 4: Simplify right side
    508,445.24x = 197,924,175,481.19
  5. Step 5: Solve for x
    x = 197,924,175,481.19/508,445.24
  6. Step 6: Final answer
    x = 389,273.34

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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.