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Finding the Fourth Proportional to 609,889.32, 841,371.25 and 368,094.60

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Solution

The fourth proportional to 609,889.32, 841,371.25 and 368,094.60 is: 507,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,889.32 : 841,371.25 = 368,094.60 : x
  2. Step 2: Convert to fraction form
    609,889.32/841,371.25 = 368,094.60/x
  3. Step 3: Cross multiply
    609,889.32x = 841,371.25 × 368,094.60
  4. Step 4: Simplify right side
    609,889.32x = 309,704,213,720.25
  5. Step 5: Solve for x
    x = 309,704,213,720.25/609,889.32
  6. Step 6: Final answer
    x = 507,803.96

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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.