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Finding the Fourth Proportional to 508,225.68, 701,333.64 and 281,892.24

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Solution

The fourth proportional to 508,225.68, 701,333.64 and 281,892.24 is: 389,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,225.68 : 701,333.64 = 281,892.24 : x
  2. Step 2: Convert to fraction form
    508,225.68/701,333.64 = 281,892.24/x
  3. Step 3: Cross multiply
    508,225.68x = 701,333.64 × 281,892.24
  4. Step 4: Simplify right side
    508,225.68x = 197,700,510,766.95
  5. Step 5: Solve for x
    x = 197,700,510,766.95/508,225.68
  6. Step 6: Final answer
    x = 389,001.42

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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.