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Finding the Fourth Proportional to 467,141.80, 700,712.70 and 443,813.80

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Solution

The fourth proportional to 467,141.80, 700,712.70 and 443,813.80 is: 665,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,141.80 : 700,712.70 = 443,813.80 : x
  2. Step 2: Convert to fraction form
    467,141.80/700,712.70 = 443,813.80/x
  3. Step 3: Cross multiply
    467,141.80x = 700,712.70 × 443,813.80
  4. Step 4: Simplify right side
    467,141.80x = 310,985,966,095.26
  5. Step 5: Solve for x
    x = 310,985,966,095.26/467,141.80
  6. Step 6: Final answer
    x = 665,720.70

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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.