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Finding the Fourth Proportional to 532,358.56, 734,478.32 and 351,160.48

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Solution

The fourth proportional to 532,358.56, 734,478.32 and 351,160.48 is: 484,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,358.56 : 734,478.32 = 351,160.48 : x
  2. Step 2: Convert to fraction form
    532,358.56/734,478.32 = 351,160.48/x
  3. Step 3: Cross multiply
    532,358.56x = 734,478.32 × 351,160.48
  4. Step 4: Simplify right side
    532,358.56x = 257,919,759,400.79
  5. Step 5: Solve for x
    x = 257,919,759,400.79/532,358.56
  6. Step 6: Final answer
    x = 484,485.04

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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.