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Finding the Fourth Proportional to 545,086.76, 751,576.02 and 373,087.76

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Solution

The fourth proportional to 545,086.76, 751,576.02 and 373,087.76 is: 514,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,086.76 : 751,576.02 = 373,087.76 : x
  2. Step 2: Convert to fraction form
    545,086.76/751,576.02 = 373,087.76/x
  3. Step 3: Cross multiply
    545,086.76x = 751,576.02 × 373,087.76
  4. Step 4: Simplify right side
    545,086.76x = 280,403,813,771.52
  5. Step 5: Solve for x
    x = 280,403,813,771.52/545,086.76
  6. Step 6: Final answer
    x = 514,420.52

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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.