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Finding the Fourth Proportional to 508,237.68, 701,350.20 and 281,904.24

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Solution

The fourth proportional to 508,237.68, 701,350.20 and 281,904.24 is: 389,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,237.68 : 701,350.20 = 281,904.24 : x
  2. Step 2: Convert to fraction form
    508,237.68/701,350.20 = 281,904.24/x
  3. Step 3: Cross multiply
    508,237.68x = 701,350.20 × 281,904.24
  4. Step 4: Simplify right side
    508,237.68x = 197,713,595,104.85
  5. Step 5: Solve for x
    x = 197,713,595,104.85/508,237.68
  6. Step 6: Final answer
    x = 389,017.98

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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.