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Finding the Fourth Proportional to 627,123.60, 940,296.60 and 360,752.40

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Solution

The fourth proportional to 627,123.60, 940,296.60 and 360,752.40 is: 540,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,123.60 : 940,296.60 = 360,752.40 : x
  2. Step 2: Convert to fraction form
    627,123.60/940,296.60 = 360,752.40/x
  3. Step 3: Cross multiply
    627,123.60x = 940,296.60 × 360,752.40
  4. Step 4: Simplify right side
    627,123.60x = 339,214,255,161.84
  5. Step 5: Solve for x
    x = 339,214,255,161.84/627,123.60
  6. Step 6: Final answer
    x = 540,904.94

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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.