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Finding the Fourth Proportional to 335,671.45, 503,507.16 and 98,995.67

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Solution

The fourth proportional to 335,671.45, 503,507.16 and 98,995.67 is: 148,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,671.45 : 503,507.16 = 98,995.67 : x
  2. Step 2: Convert to fraction form
    335,671.45/503,507.16 = 98,995.67/x
  3. Step 3: Cross multiply
    335,671.45x = 503,507.16 × 98,995.67
  4. Step 4: Simplify right side
    335,671.45x = 49,845,028,654.00
  5. Step 5: Solve for x
    x = 49,845,028,654.00/335,671.45
  6. Step 6: Final answer
    x = 148,493.50

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Double scale
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Similar ratio
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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.