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Finding the Fourth Proportional to 330,770.51, 456,603.02 and 223,485.90

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Solution

The fourth proportional to 330,770.51, 456,603.02 and 223,485.90 is: 308,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,770.51 : 456,603.02 = 223,485.90 : x
  2. Step 2: Convert to fraction form
    330,770.51/456,603.02 = 223,485.90/x
  3. Step 3: Cross multiply
    330,770.51x = 456,603.02 × 223,485.90
  4. Step 4: Simplify right side
    330,770.51x = 102,044,335,749.99
  5. Step 5: Solve for x
    x = 102,044,335,749.99/330,770.51
  6. Step 6: Final answer
    x = 308,504.94

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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.