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Finding the Fourth Proportional to 545,296.68, 752,522.28 and 303,595.50

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Solution

The fourth proportional to 545,296.68, 752,522.28 and 303,595.50 is: 418,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,296.68 : 752,522.28 = 303,595.50 : x
  2. Step 2: Convert to fraction form
    545,296.68/752,522.28 = 303,595.50/x
  3. Step 3: Cross multiply
    545,296.68x = 752,522.28 × 303,595.50
  4. Step 4: Simplify right side
    545,296.68x = 228,462,377,857.74
  5. Step 5: Solve for x
    x = 228,462,377,857.74/545,296.68
  6. Step 6: Final answer
    x = 418,968.95

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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.