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Finding the Fourth Proportional to 579,609.36, 798,936.75 and 456,901.65

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Solution

The fourth proportional to 579,609.36, 798,936.75 and 456,901.65 is: 629,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,609.36 : 798,936.75 = 456,901.65 : x
  2. Step 2: Convert to fraction form
    579,609.36/798,936.75 = 456,901.65/x
  3. Step 3: Cross multiply
    579,609.36x = 798,936.75 × 456,901.65
  4. Step 4: Simplify right side
    579,609.36x = 365,035,519,320.64
  5. Step 5: Solve for x
    x = 365,035,519,320.64/579,609.36
  6. Step 6: Final answer
    x = 629,795.76

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.