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Finding the Fourth Proportional to 404,740.86, 607,005.44 and 120,354.86

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Solution

The fourth proportional to 404,740.86, 607,005.44 and 120,354.86 is: 180,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,740.86 : 607,005.44 = 120,354.86 : x
  2. Step 2: Convert to fraction form
    404,740.86/607,005.44 = 120,354.86/x
  3. Step 3: Cross multiply
    404,740.86x = 607,005.44 × 120,354.86
  4. Step 4: Simplify right side
    404,740.86x = 73,056,054,750.44
  5. Step 5: Solve for x
    x = 73,056,054,750.44/404,740.86
  6. Step 6: Final answer
    x = 180,500.81

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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.