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Finding the Fourth Proportional to 569,189.39, 785,526.03 and 324,184.55

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Solution

The fourth proportional to 569,189.39, 785,526.03 and 324,184.55 is: 447,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,189.39 : 785,526.03 = 324,184.55 : x
  2. Step 2: Convert to fraction form
    569,189.39/785,526.03 = 324,184.55/x
  3. Step 3: Cross multiply
    569,189.39x = 785,526.03 × 324,184.55
  4. Step 4: Simplify right side
    569,189.39x = 254,655,398,621.21
  5. Step 5: Solve for x
    x = 254,655,398,621.21/569,189.39
  6. Step 6: Final answer
    x = 447,400.12

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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.