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Finding the Fourth Proportional to 555,933.75, 767,191.31 and 301,284.94

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Solution

The fourth proportional to 555,933.75, 767,191.31 and 301,284.94 is: 415,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,933.75 : 767,191.31 = 301,284.94 : x
  2. Step 2: Convert to fraction form
    555,933.75/767,191.31 = 301,284.94/x
  3. Step 3: Cross multiply
    555,933.75x = 767,191.31 × 301,284.94
  4. Step 4: Simplify right side
    555,933.75x = 231,143,185,507.29
  5. Step 5: Solve for x
    x = 231,143,185,507.29/555,933.75
  6. Step 6: Final answer
    x = 415,774.70

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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.