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Finding the Fourth Proportional to 436,887.33, 602,593.93 and 291,619.87

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Solution

The fourth proportional to 436,887.33, 602,593.93 and 291,619.87 is: 402,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,887.33 : 602,593.93 = 291,619.87 : x
  2. Step 2: Convert to fraction form
    436,887.33/602,593.93 = 291,619.87/x
  3. Step 3: Cross multiply
    436,887.33x = 602,593.93 × 291,619.87
  4. Step 4: Simplify right side
    436,887.33x = 175,728,363,772.54
  5. Step 5: Solve for x
    x = 175,728,363,772.54/436,887.33
  6. Step 6: Final answer
    x = 402,228.11

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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.