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Finding the Fourth Proportional to 555,950.07, 767,212.43 and 301,301.19

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Solution

The fourth proportional to 555,950.07, 767,212.43 and 301,301.19 is: 415,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,950.07 : 767,212.43 = 301,301.19 : x
  2. Step 2: Convert to fraction form
    555,950.07/767,212.43 = 301,301.19/x
  3. Step 3: Cross multiply
    555,950.07x = 767,212.43 × 301,301.19
  4. Step 4: Simplify right side
    555,950.07x = 231,162,016,635.29
  5. Step 5: Solve for x
    x = 231,162,016,635.29/555,950.07
  6. Step 6: Final answer
    x = 415,796.36

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