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Finding the Fourth Proportional to 539,614.08, 744,673.48 and 297,896.81

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Solution

The fourth proportional to 539,614.08, 744,673.48 and 297,896.81 is: 411,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,614.08 : 744,673.48 = 297,896.81 : x
  2. Step 2: Convert to fraction form
    539,614.08/744,673.48 = 297,896.81/x
  3. Step 3: Cross multiply
    539,614.08x = 744,673.48 × 297,896.81
  4. Step 4: Simplify right side
    539,614.08x = 221,835,849,715.49
  5. Step 5: Solve for x
    x = 221,835,849,715.49/539,614.08
  6. Step 6: Final answer
    x = 411,100.93

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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.