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Finding the Fourth Proportional to 423,938.04, 584,866.86 and 273,123

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Solution

The fourth proportional to 423,938.04, 584,866.86 and 273,123 is: 376,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,938.04 : 584,866.86 = 273,123 : x
  2. Step 2: Convert to fraction form
    423,938.04/584,866.86 = 273,123/x
  3. Step 3: Cross multiply
    423,938.04x = 584,866.86 × 273,123
  4. Step 4: Simplify right side
    423,938.04x = 159,740,591,403.78
  5. Step 5: Solve for x
    x = 159,740,591,403.78/423,938.04
  6. Step 6: Final answer
    x = 376,801.74

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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.