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Finding the Fourth Proportional to 366,814.20, 514,473 and 366,814.20

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Solution

The fourth proportional to 366,814.20, 514,473 and 366,814.20 is: 514,473

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,814.20 : 514,473 = 366,814.20 : x
  2. Step 2: Convert to fraction form
    366,814.20/514,473 = 366,814.20/x
  3. Step 3: Cross multiply
    366,814.20x = 514,473 × 366,814.20
  4. Step 4: Simplify right side
    366,814.20x = 188,716,001,916.60
  5. Step 5: Solve for x
    x = 188,716,001,916.60/366,814.20
  6. Step 6: Final answer
    x = 514,473

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.