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Finding the Fourth Proportional to 623,748.99, 860,774.22 and 337,269

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Solution

The fourth proportional to 623,748.99, 860,774.22 and 337,269 is: 465,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,748.99 : 860,774.22 = 337,269 : x
  2. Step 2: Convert to fraction form
    623,748.99/860,774.22 = 337,269/x
  3. Step 3: Cross multiply
    623,748.99x = 860,774.22 × 337,269
  4. Step 4: Simplify right side
    623,748.99x = 290,312,460,405.18
  5. Step 5: Solve for x
    x = 290,312,460,405.18/623,748.99
  6. Step 6: Final answer
    x = 465,431.55

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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.