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Finding the Fourth Proportional to 659,072.95, 909,606.79 and 372,593.04

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Solution

The fourth proportional to 659,072.95, 909,606.79 and 372,593.04 is: 514,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,072.95 : 909,606.79 = 372,593.04 : x
  2. Step 2: Convert to fraction form
    659,072.95/909,606.79 = 372,593.04/x
  3. Step 3: Cross multiply
    659,072.95x = 909,606.79 × 372,593.04
  4. Step 4: Simplify right side
    659,072.95x = 338,913,157,655.82
  5. Step 5: Solve for x
    x = 338,913,157,655.82/659,072.95
  6. Step 6: Final answer
    x = 514,227.08

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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.