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Finding the Fourth Proportional to 532,893.98, 735,313.38 and 303,459.93

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Solution

The fourth proportional to 532,893.98, 735,313.38 and 303,459.93 is: 418,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,893.98 : 735,313.38 = 303,459.93 : x
  2. Step 2: Convert to fraction form
    532,893.98/735,313.38 = 303,459.93/x
  3. Step 3: Cross multiply
    532,893.98x = 735,313.38 × 303,459.93
  4. Step 4: Simplify right side
    532,893.98x = 223,138,146,822.86
  5. Step 5: Solve for x
    x = 223,138,146,822.86/532,893.98
  6. Step 6: Final answer
    x = 418,728.97

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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.