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Finding the Fourth Proportional to 535,895.49, 739,384.27 and 345,019.39

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Solution

The fourth proportional to 535,895.49, 739,384.27 and 345,019.39 is: 476,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,895.49 : 739,384.27 = 345,019.39 : x
  2. Step 2: Convert to fraction form
    535,895.49/739,384.27 = 345,019.39/x
  3. Step 3: Cross multiply
    535,895.49x = 739,384.27 × 345,019.39
  4. Step 4: Simplify right side
    535,895.49x = 255,101,909,811.00
  5. Step 5: Solve for x
    x = 255,101,909,811.00/535,895.49
  6. Step 6: Final answer
    x = 476,029.22

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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.