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Finding the Fourth Proportional to 397,595.62, 548,676.12 and 216,309.16

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Solution

The fourth proportional to 397,595.62, 548,676.12 and 216,309.16 is: 298,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,595.62 : 548,676.12 = 216,309.16 : x
  2. Step 2: Convert to fraction form
    397,595.62/548,676.12 = 216,309.16/x
  3. Step 3: Cross multiply
    397,595.62x = 548,676.12 × 216,309.16
  4. Step 4: Simplify right side
    397,595.62x = 118,683,670,629.26
  5. Step 5: Solve for x
    x = 118,683,670,629.26/397,595.62
  6. Step 6: Final answer
    x = 298,503.47

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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.