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Finding the Fourth Proportional to 539,516.37, 744,532.64 and 297,799.01

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Solution

The fourth proportional to 539,516.37, 744,532.64 and 297,799.01 is: 410,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,516.37 : 744,532.64 = 297,799.01 : x
  2. Step 2: Convert to fraction form
    539,516.37/744,532.64 = 297,799.01/x
  3. Step 3: Cross multiply
    539,516.37x = 744,532.64 × 297,799.01
  4. Step 4: Simplify right side
    539,516.37x = 221,721,078,870.21
  5. Step 5: Solve for x
    x = 221,721,078,870.21/539,516.37
  6. Step 6: Final answer
    x = 410,962.65

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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.