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Finding the Fourth Proportional to 623,527.75, 860,757.96 and 365,368.87

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Solution

The fourth proportional to 623,527.75, 860,757.96 and 365,368.87 is: 504,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,527.75 : 860,757.96 = 365,368.87 : x
  2. Step 2: Convert to fraction form
    623,527.75/860,757.96 = 365,368.87/x
  3. Step 3: Cross multiply
    623,527.75x = 860,757.96 × 365,368.87
  4. Step 4: Simplify right side
    623,527.75x = 314,494,163,188.71
  5. Step 5: Solve for x
    x = 314,494,163,188.71/623,527.75
  6. Step 6: Final answer
    x = 504,378.78

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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.