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Finding the Fourth Proportional to 623,763.93, 860,799.09 and 344,369.82

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Solution

The fourth proportional to 623,763.93, 860,799.09 and 344,369.82 is: 475,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,763.93 : 860,799.09 = 344,369.82 : x
  2. Step 2: Convert to fraction form
    623,763.93/860,799.09 = 344,369.82/x
  3. Step 3: Cross multiply
    623,763.93x = 860,799.09 × 344,369.82
  4. Step 4: Simplify right side
    623,763.93x = 296,433,227,679.46
  5. Step 5: Solve for x
    x = 296,433,227,679.46/623,763.93
  6. Step 6: Final answer
    x = 475,233.04

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1.5x scale

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.