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Finding the Fourth Proportional to 543,493.70, 818,495.48 and 495,011.96

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Solution

The fourth proportional to 543,493.70, 818,495.48 and 495,011.96 is: 745,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,493.70 : 818,495.48 = 495,011.96 : x
  2. Step 2: Convert to fraction form
    543,493.70/818,495.48 = 495,011.96/x
  3. Step 3: Cross multiply
    543,493.70x = 818,495.48 × 495,011.96
  4. Step 4: Simplify right side
    543,493.70x = 405,165,051,805.94
  5. Step 5: Solve for x
    x = 405,165,051,805.94/543,493.70
  6. Step 6: Final answer
    x = 745,482.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.