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Finding the Fourth Proportional to 423,935.04, 584,862.72 and 273,120

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Solution

The fourth proportional to 423,935.04, 584,862.72 and 273,120 is: 376,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,935.04 : 584,862.72 = 273,120 : x
  2. Step 2: Convert to fraction form
    423,935.04/584,862.72 = 273,120/x
  3. Step 3: Cross multiply
    423,935.04x = 584,862.72 × 273,120
  4. Step 4: Simplify right side
    423,935.04x = 159,737,706,086.40
  5. Step 5: Solve for x
    x = 159,737,706,086.40/423,935.04
  6. Step 6: Final answer
    x = 376,797.60

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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.