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Finding the Fourth Proportional to 343,272.70, 514,909.05 and 343,272.70

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Solution

The fourth proportional to 343,272.70, 514,909.05 and 343,272.70 is: 514,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,272.70 : 514,909.05 = 343,272.70 : x
  2. Step 2: Convert to fraction form
    343,272.70/514,909.05 = 343,272.70/x
  3. Step 3: Cross multiply
    343,272.70x = 514,909.05 × 343,272.70
  4. Step 4: Simplify right side
    343,272.70x = 176,754,219,847.94
  5. Step 5: Solve for x
    x = 176,754,219,847.94/343,272.70
  6. Step 6: Final answer
    x = 514,909.05

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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.