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Finding the Fourth Proportional to 488,103.59, 732,628.80 and 235,561.79

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Solution

The fourth proportional to 488,103.59, 732,628.80 and 235,561.79 is: 353,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,103.59 : 732,628.80 = 235,561.79 : x
  2. Step 2: Convert to fraction form
    488,103.59/732,628.80 = 235,561.79/x
  3. Step 3: Cross multiply
    488,103.59x = 732,628.80 × 235,561.79
  4. Step 4: Simplify right side
    488,103.59x = 172,579,347,870.41
  5. Step 5: Solve for x
    x = 172,579,347,870.41/488,103.59
  6. Step 6: Final answer
    x = 353,571.15

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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.