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Finding the Fourth Proportional to 626,577.84, 864,654.24 and 340,091.82

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Solution

The fourth proportional to 626,577.84, 864,654.24 and 340,091.82 is: 469,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,577.84 : 864,654.24 = 340,091.82 : x
  2. Step 2: Convert to fraction form
    626,577.84/864,654.24 = 340,091.82/x
  3. Step 3: Cross multiply
    626,577.84x = 864,654.24 × 340,091.82
  4. Step 4: Simplify right side
    626,577.84x = 294,061,834,152.32
  5. Step 5: Solve for x
    x = 294,061,834,152.32/626,577.84
  6. Step 6: Final answer
    x = 469,314.13

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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.