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Finding the Fourth Proportional to 340,417.58, 469,765.59 and 197,180.42

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Solution

The fourth proportional to 340,417.58, 469,765.59 and 197,180.42 is: 272,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,417.58 : 469,765.59 = 197,180.42 : x
  2. Step 2: Convert to fraction form
    340,417.58/469,765.59 = 197,180.42/x
  3. Step 3: Cross multiply
    340,417.58x = 469,765.59 × 197,180.42
  4. Step 4: Simplify right side
    340,417.58x = 92,628,576,337.75
  5. Step 5: Solve for x
    x = 92,628,576,337.75/340,417.58
  6. Step 6: Final answer
    x = 272,102.80

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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.