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Finding the Fourth Proportional to 436,369.89, 601,848.81 and 298,630.38

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Solution

The fourth proportional to 436,369.89, 601,848.81 and 298,630.38 is: 411,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,369.89 : 601,848.81 = 298,630.38 : x
  2. Step 2: Convert to fraction form
    436,369.89/601,848.81 = 298,630.38/x
  3. Step 3: Cross multiply
    436,369.89x = 601,848.81 × 298,630.38
  4. Step 4: Simplify right side
    436,369.89x = 179,730,338,832.85
  5. Step 5: Solve for x
    x = 179,730,338,832.85/436,369.89
  6. Step 6: Final answer
    x = 411,876.12

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1.5x scale

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.