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Finding the Fourth Proportional to 571,359.28, 856,915.90 and 234,069.20

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Solution

The fourth proportional to 571,359.28, 856,915.90 and 234,069.20 is: 351,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,359.28 : 856,915.90 = 234,069.20 : x
  2. Step 2: Convert to fraction form
    571,359.28/856,915.90 = 234,069.20/x
  3. Step 3: Cross multiply
    571,359.28x = 856,915.90 × 234,069.20
  4. Step 4: Simplify right side
    571,359.28x = 200,577,619,180.28
  5. Step 5: Solve for x
    x = 200,577,619,180.28/571,359.28
  6. Step 6: Final answer
    x = 351,053.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.