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Finding the Fourth Proportional to 539,465.67, 744,424.43 and 297,696.47

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Solution

The fourth proportional to 539,465.67, 744,424.43 and 297,696.47 is: 410,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,465.67 : 744,424.43 = 297,696.47 : x
  2. Step 2: Convert to fraction form
    539,465.67/744,424.43 = 297,696.47/x
  3. Step 3: Cross multiply
    539,465.67x = 744,424.43 × 297,696.47
  4. Step 4: Simplify right side
    539,465.67x = 221,612,519,782.16
  5. Step 5: Solve for x
    x = 221,612,519,782.16/539,465.67
  6. Step 6: Final answer
    x = 410,800.04

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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.