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Finding the Fourth Proportional to 623,707.25, 860,553.35 and 365,445.44

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Solution

The fourth proportional to 623,707.25, 860,553.35 and 365,445.44 is: 504,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,707.25 : 860,553.35 = 365,445.44 : x
  2. Step 2: Convert to fraction form
    623,707.25/860,553.35 = 365,445.44/x
  3. Step 3: Cross multiply
    623,707.25x = 860,553.35 × 365,445.44
  4. Step 4: Simplify right side
    623,707.25x = 314,485,294,245.07
  5. Step 5: Solve for x
    x = 314,485,294,245.07/623,707.25
  6. Step 6: Final answer
    x = 504,219.40

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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.