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Finding the Fourth Proportional to 379,480.04, 569,181.90 and 98,997.80

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Solution

The fourth proportional to 379,480.04, 569,181.90 and 98,997.80 is: 148,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,480.04 : 569,181.90 = 98,997.80 : x
  2. Step 2: Convert to fraction form
    379,480.04/569,181.90 = 98,997.80/x
  3. Step 3: Cross multiply
    379,480.04x = 569,181.90 × 98,997.80
  4. Step 4: Simplify right side
    379,480.04x = 56,347,755,899.82
  5. Step 5: Solve for x
    x = 56,347,755,899.82/379,480.04
  6. Step 6: Final answer
    x = 148,486.74

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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.