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Finding the Fourth Proportional to 505,767.77, 754,962.11 and 441,922.23

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Solution

The fourth proportional to 505,767.77, 754,962.11 and 441,922.23 is: 659,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,767.77 : 754,962.11 = 441,922.23 : x
  2. Step 2: Convert to fraction form
    505,767.77/754,962.11 = 441,922.23/x
  3. Step 3: Cross multiply
    505,767.77x = 754,962.11 × 441,922.23
  4. Step 4: Simplify right side
    505,767.77x = 333,634,537,007.09
  5. Step 5: Solve for x
    x = 333,634,537,007.09/505,767.77
  6. Step 6: Final answer
    x = 659,659.55

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