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Finding the Fourth Proportional to 328,959.86, 493,457.39 and 104,337.33

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Solution

The fourth proportional to 328,959.86, 493,457.39 and 104,337.33 is: 156,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,959.86 : 493,457.39 = 104,337.33 : x
  2. Step 2: Convert to fraction form
    328,959.86/493,457.39 = 104,337.33/x
  3. Step 3: Cross multiply
    328,959.86x = 493,457.39 × 104,337.33
  4. Step 4: Simplify right side
    328,959.86x = 51,486,026,019.68
  5. Step 5: Solve for x
    x = 51,486,026,019.68/328,959.86
  6. Step 6: Final answer
    x = 156,511.58

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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.