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Finding the Fourth Proportional to 508,505.28, 701,735.04 and 282,150.24

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Solution

The fourth proportional to 508,505.28, 701,735.04 and 282,150.24 is: 389,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,505.28 : 701,735.04 = 282,150.24 : x
  2. Step 2: Convert to fraction form
    508,505.28/701,735.04 = 282,150.24/x
  3. Step 3: Cross multiply
    508,505.28x = 701,735.04 × 282,150.24
  4. Step 4: Simplify right side
    508,505.28x = 197,994,709,952.41
  5. Step 5: Solve for x
    x = 197,994,709,952.41/508,505.28
  6. Step 6: Final answer
    x = 389,366.08

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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.