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Finding the Fourth Proportional to 432,403.60, 648,259.80 and 182,880.40

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Solution

The fourth proportional to 432,403.60, 648,259.80 and 182,880.40 is: 274,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,403.60 : 648,259.80 = 182,880.40 : x
  2. Step 2: Convert to fraction form
    432,403.60/648,259.80 = 182,880.40/x
  3. Step 3: Cross multiply
    432,403.60x = 648,259.80 × 182,880.40
  4. Step 4: Simplify right side
    432,403.60x = 118,554,011,527.92
  5. Step 5: Solve for x
    x = 118,554,011,527.92/432,403.60
  6. Step 6: Final answer
    x = 274,174.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.