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Finding the Fourth Proportional to 609,489.60, 841,094.88 and 341,219.52

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Solution

The fourth proportional to 609,489.60, 841,094.88 and 341,219.52 is: 470,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,489.60 : 841,094.88 = 341,219.52 : x
  2. Step 2: Convert to fraction form
    609,489.60/841,094.88 = 341,219.52/x
  3. Step 3: Cross multiply
    609,489.60x = 841,094.88 × 341,219.52
  4. Step 4: Simplify right side
    609,489.60x = 286,997,991,228.06
  5. Step 5: Solve for x
    x = 286,997,991,228.06/609,489.60
  6. Step 6: Final answer
    x = 470,882.51

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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.