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Finding the Fourth Proportional to 539,771.02, 744,880.35 and 298,068.82

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Solution

The fourth proportional to 539,771.02, 744,880.35 and 298,068.82 is: 411,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,771.02 : 744,880.35 = 298,068.82 : x
  2. Step 2: Convert to fraction form
    539,771.02/744,880.35 = 298,068.82/x
  3. Step 3: Cross multiply
    539,771.02x = 744,880.35 × 298,068.82
  4. Step 4: Simplify right side
    539,771.02x = 222,025,606,965.69
  5. Step 5: Solve for x
    x = 222,025,606,965.69/539,771.02
  6. Step 6: Final answer
    x = 411,332.95

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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.