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Finding the Fourth Proportional to 571,060.80, 856,591.20 and 360,014.40

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Solution

The fourth proportional to 571,060.80, 856,591.20 and 360,014.40 is: 540,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,060.80 : 856,591.20 = 360,014.40 : x
  2. Step 2: Convert to fraction form
    571,060.80/856,591.20 = 360,014.40/x
  3. Step 3: Cross multiply
    571,060.80x = 856,591.20 × 360,014.40
  4. Step 4: Simplify right side
    571,060.80x = 308,385,166,913.28
  5. Step 5: Solve for x
    x = 308,385,166,913.28/571,060.80
  6. Step 6: Final answer
    x = 540,021.60

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Similar ratio
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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.