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Finding the Fourth Proportional to 433,607.40, 650,216.70 and 196,828.20

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Solution

The fourth proportional to 433,607.40, 650,216.70 and 196,828.20 is: 295,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,607.40 : 650,216.70 = 196,828.20 : x
  2. Step 2: Convert to fraction form
    433,607.40/650,216.70 = 196,828.20/x
  3. Step 3: Cross multiply
    433,607.40x = 650,216.70 × 196,828.20
  4. Step 4: Simplify right side
    433,607.40x = 127,980,982,670.94
  5. Step 5: Solve for x
    x = 127,980,982,670.94/433,607.40
  6. Step 6: Final answer
    x = 295,154.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.