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Finding the Fourth Proportional to 305,433.79, 458,329.29 and 127,925.93

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Solution

The fourth proportional to 305,433.79, 458,329.29 and 127,925.93 is: 191,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,433.79 : 458,329.29 = 127,925.93 : x
  2. Step 2: Convert to fraction form
    305,433.79/458,329.29 = 127,925.93/x
  3. Step 3: Cross multiply
    305,433.79x = 458,329.29 × 127,925.93
  4. Step 4: Simplify right side
    305,433.79x = 58,632,201,335.59
  5. Step 5: Solve for x
    x = 58,632,201,335.59/305,433.79
  6. Step 6: Final answer
    x = 191,963.70

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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.