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Finding the Fourth Proportional to 503,293.20, 753,190.20 and 345,829.20

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Solution

The fourth proportional to 503,293.20, 753,190.20 and 345,829.20 is: 517,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,293.20 : 753,190.20 = 345,829.20 : x
  2. Step 2: Convert to fraction form
    503,293.20/753,190.20 = 345,829.20/x
  3. Step 3: Cross multiply
    503,293.20x = 753,190.20 × 345,829.20
  4. Step 4: Simplify right side
    503,293.20x = 260,475,164,313.84
  5. Step 5: Solve for x
    x = 260,475,164,313.84/503,293.20
  6. Step 6: Final answer
    x = 517,541.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.