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Finding the Fourth Proportional to 490,646.72, 735,441.14 and 237,392.12

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Solution

The fourth proportional to 490,646.72, 735,441.14 and 237,392.12 is: 355,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,646.72 : 735,441.14 = 237,392.12 : x
  2. Step 2: Convert to fraction form
    490,646.72/735,441.14 = 237,392.12/x
  3. Step 3: Cross multiply
    490,646.72x = 735,441.14 × 237,392.12
  4. Step 4: Simplify right side
    490,646.72x = 174,587,931,359.82
  5. Step 5: Solve for x
    x = 174,587,931,359.82/490,646.72
  6. Step 6: Final answer
    x = 355,832.26

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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.