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Finding the Fourth Proportional to 529,397.54, 730,667.02 and 303,043.04

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Solution

The fourth proportional to 529,397.54, 730,667.02 and 303,043.04 is: 418,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,397.54 : 730,667.02 = 303,043.04 : x
  2. Step 2: Convert to fraction form
    529,397.54/730,667.02 = 303,043.04/x
  3. Step 3: Cross multiply
    529,397.54x = 730,667.02 × 303,043.04
  4. Step 4: Simplify right side
    529,397.54x = 221,423,550,557.60
  5. Step 5: Solve for x
    x = 221,423,550,557.60/529,397.54
  6. Step 6: Final answer
    x = 418,255.73

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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.