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Finding the Fourth Proportional to 623,516.90, 860,452.94 and 337,036.98

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Solution

The fourth proportional to 623,516.90, 860,452.94 and 337,036.98 is: 465,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,516.90 : 860,452.94 = 337,036.98 : x
  2. Step 2: Convert to fraction form
    623,516.90/860,452.94 = 337,036.98/x
  3. Step 3: Cross multiply
    623,516.90x = 860,452.94 × 337,036.98
  4. Step 4: Simplify right side
    623,516.90x = 290,004,461,172.31
  5. Step 5: Solve for x
    x = 290,004,461,172.31/623,516.90
  6. Step 6: Final answer
    x = 465,110.83

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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.