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Finding the Fourth Proportional to 548,676.32, 757,432.18 and 412,762.03

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Solution

The fourth proportional to 548,676.32, 757,432.18 and 412,762.03 is: 569,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,676.32 : 757,432.18 = 412,762.03 : x
  2. Step 2: Convert to fraction form
    548,676.32/757,432.18 = 412,762.03/x
  3. Step 3: Cross multiply
    548,676.32x = 757,432.18 × 412,762.03
  4. Step 4: Simplify right side
    548,676.32x = 312,639,242,826.50
  5. Step 5: Solve for x
    x = 312,639,242,826.50/548,676.32
  6. Step 6: Final answer
    x = 569,806.34

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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.