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Finding the Fourth Proportional to 627,590.50, 866,070.56 and 341,110.58

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Solution

The fourth proportional to 627,590.50, 866,070.56 and 341,110.58 is: 470,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,590.50 : 866,070.56 = 341,110.58 : x
  2. Step 2: Convert to fraction form
    627,590.50/866,070.56 = 341,110.58/x
  3. Step 3: Cross multiply
    627,590.50x = 866,070.56 × 341,110.58
  4. Step 4: Simplify right side
    627,590.50x = 295,425,827,564.95
  5. Step 5: Solve for x
    x = 295,425,827,564.95/627,590.50
  6. Step 6: Final answer
    x = 470,730.24

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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.