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Finding the Fourth Proportional to 321,347.04, 443,458.96 and 194,053.92

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Solution

The fourth proportional to 321,347.04, 443,458.96 and 194,053.92 is: 267,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,347.04 : 443,458.96 = 194,053.92 : x
  2. Step 2: Convert to fraction form
    321,347.04/443,458.96 = 194,053.92/x
  3. Step 3: Cross multiply
    321,347.04x = 443,458.96 × 194,053.92
  4. Step 4: Simplify right side
    321,347.04x = 86,054,949,547.12
  5. Step 5: Solve for x
    x = 86,054,949,547.12/321,347.04
  6. Step 6: Final answer
    x = 267,794.44

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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.