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Finding the Fourth Proportional to 540,452.70, 745,824.65 and 295,438.37

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Solution

The fourth proportional to 540,452.70, 745,824.65 and 295,438.37 is: 407,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,452.70 : 745,824.65 = 295,438.37 : x
  2. Step 2: Convert to fraction form
    540,452.70/745,824.65 = 295,438.37/x
  3. Step 3: Cross multiply
    540,452.70x = 745,824.65 × 295,438.37
  4. Step 4: Simplify right side
    540,452.70x = 220,345,213,695.51
  5. Step 5: Solve for x
    x = 220,345,213,695.51/540,452.70
  6. Step 6: Final answer
    x = 407,704.90

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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.