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Finding the Fourth Proportional to 452,509.50, 679,050.14 and 252,960.78

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Solution

The fourth proportional to 452,509.50, 679,050.14 and 252,960.78 is: 379,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,509.50 : 679,050.14 = 252,960.78 : x
  2. Step 2: Convert to fraction form
    452,509.50/679,050.14 = 252,960.78/x
  3. Step 3: Cross multiply
    452,509.50x = 679,050.14 × 252,960.78
  4. Step 4: Simplify right side
    452,509.50x = 171,773,051,808.71
  5. Step 5: Solve for x
    x = 171,773,051,808.71/452,509.50
  6. Step 6: Final answer
    x = 379,600.98

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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.