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Finding the Fourth Proportional to 482,806.38, 724,206.69 and 262,590.06

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Solution

The fourth proportional to 482,806.38, 724,206.69 and 262,590.06 is: 393,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,806.38 : 724,206.69 = 262,590.06 : x
  2. Step 2: Convert to fraction form
    482,806.38/724,206.69 = 262,590.06/x
  3. Step 3: Cross multiply
    482,806.38x = 724,206.69 × 262,590.06
  4. Step 4: Simplify right side
    482,806.38x = 190,169,478,179.50
  5. Step 5: Solve for x
    x = 190,169,478,179.50/482,806.38
  6. Step 6: Final answer
    x = 393,883.52

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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.