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Finding the Fourth Proportional to 323,693.84, 483,143.86 and 303,748.40

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Solution

The fourth proportional to 323,693.84, 483,143.86 and 303,748.40 is: 453,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,693.84 : 483,143.86 = 303,748.40 : x
  2. Step 2: Convert to fraction form
    323,693.84/483,143.86 = 303,748.40/x
  3. Step 3: Cross multiply
    323,693.84x = 483,143.86 × 303,748.40
  4. Step 4: Simplify right side
    323,693.84x = 146,754,174,444.82
  5. Step 5: Solve for x
    x = 146,754,174,444.82/323,693.84
  6. Step 6: Final answer
    x = 453,373.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.