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Finding the Fourth Proportional to 534,536.10, 737,068.68 and 340,636.65

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Solution

The fourth proportional to 534,536.10, 737,068.68 and 340,636.65 is: 469,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,536.10 : 737,068.68 = 340,636.65 : x
  2. Step 2: Convert to fraction form
    534,536.10/737,068.68 = 340,636.65/x
  3. Step 3: Cross multiply
    534,536.10x = 737,068.68 × 340,636.65
  4. Step 4: Simplify right side
    534,536.10x = 251,072,605,975.12
  5. Step 5: Solve for x
    x = 251,072,605,975.12/534,536.10
  6. Step 6: Final answer
    x = 469,701.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.