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Finding the Fourth Proportional to 576,005.82, 794,888.53 and 321,357.08

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Solution

The fourth proportional to 576,005.82, 794,888.53 and 321,357.08 is: 443,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,005.82 : 794,888.53 = 321,357.08 : x
  2. Step 2: Convert to fraction form
    576,005.82/794,888.53 = 321,357.08/x
  3. Step 3: Cross multiply
    576,005.82x = 794,888.53 × 321,357.08
  4. Step 4: Simplify right side
    576,005.82x = 255,443,056,926.29
  5. Step 5: Solve for x
    x = 255,443,056,926.29/576,005.82
  6. Step 6: Final answer
    x = 443,473.05

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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.