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Finding the Fourth Proportional to 627,549.95, 866,019.04 and 341,070.03

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Solution

The fourth proportional to 627,549.95, 866,019.04 and 341,070.03 is: 470,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,549.95 : 866,019.04 = 341,070.03 : x
  2. Step 2: Convert to fraction form
    627,549.95/866,019.04 = 341,070.03/x
  3. Step 3: Cross multiply
    627,549.95x = 866,019.04 × 341,070.03
  4. Step 4: Simplify right side
    627,549.95x = 295,373,139,100.70
  5. Step 5: Solve for x
    x = 295,373,139,100.70/627,549.95
  6. Step 6: Final answer
    x = 470,676.70

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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.