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Finding the Fourth Proportional to 623,627.87, 860,606.24 and 337,147.88

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Solution

The fourth proportional to 623,627.87, 860,606.24 and 337,147.88 is: 465,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,627.87 : 860,606.24 = 337,147.88 : x
  2. Step 2: Convert to fraction form
    623,627.87/860,606.24 = 337,147.88/x
  3. Step 3: Cross multiply
    623,627.87x = 860,606.24 × 337,147.88
  4. Step 4: Simplify right side
    623,627.87x = 290,151,563,342.00
  5. Step 5: Solve for x
    x = 290,151,563,342.00/623,627.87
  6. Step 6: Final answer
    x = 465,263.95

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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.