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Finding the Fourth Proportional to 545,449.76, 752,076.60 and 373,451.12

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Solution

The fourth proportional to 545,449.76, 752,076.60 and 373,451.12 is: 514,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,449.76 : 752,076.60 = 373,451.12 : x
  2. Step 2: Convert to fraction form
    545,449.76/752,076.60 = 373,451.12/x
  3. Step 3: Cross multiply
    545,449.76x = 752,076.60 × 373,451.12
  4. Step 4: Simplify right side
    545,449.76x = 280,863,848,595.79
  5. Step 5: Solve for x
    x = 280,863,848,595.79/545,449.76
  6. Step 6: Final answer
    x = 514,921.57

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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.