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Finding the Fourth Proportional to 532,423.35, 734,762.70 and 303,015.24

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Solution

The fourth proportional to 532,423.35, 734,762.70 and 303,015.24 is: 418,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,423.35 : 734,762.70 = 303,015.24 : x
  2. Step 2: Convert to fraction form
    532,423.35/734,762.70 = 303,015.24/x
  3. Step 3: Cross multiply
    532,423.35x = 734,762.70 × 303,015.24
  4. Step 4: Simplify right side
    532,423.35x = 222,644,295,883.55
  5. Step 5: Solve for x
    x = 222,644,295,883.55/532,423.35
  6. Step 6: Final answer
    x = 418,171.55

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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.