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Finding the Fourth Proportional to 260,950.68, 391,484.34 and 83,468.34

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Solution

The fourth proportional to 260,950.68, 391,484.34 and 83,468.34 is: 125,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,950.68 : 391,484.34 = 83,468.34 : x
  2. Step 2: Convert to fraction form
    260,950.68/391,484.34 = 83,468.34/x
  3. Step 3: Cross multiply
    260,950.68x = 391,484.34 × 83,468.34
  4. Step 4: Simplify right side
    260,950.68x = 32,676,547,995.80
  5. Step 5: Solve for x
    x = 32,676,547,995.80/260,950.68
  6. Step 6: Final answer
    x = 125,221.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.