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Finding the Fourth Proportional to 623,486.85, 860,411.34 and 337,006.95

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Solution

The fourth proportional to 623,486.85, 860,411.34 and 337,006.95 is: 465,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,486.85 : 860,411.34 = 337,006.95 : x
  2. Step 2: Convert to fraction form
    623,486.85/860,411.34 = 337,006.95/x
  3. Step 3: Cross multiply
    623,486.85x = 860,411.34 × 337,006.95
  4. Step 4: Simplify right side
    623,486.85x = 289,964,601,438.81
  5. Step 5: Solve for x
    x = 289,964,601,438.81/623,486.85
  6. Step 6: Final answer
    x = 465,069.31

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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.