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Finding the Fourth Proportional to 404,484.38, 558,222.54 and 234,707.58

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Solution

The fourth proportional to 404,484.38, 558,222.54 and 234,707.58 is: 323,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,484.38 : 558,222.54 = 234,707.58 : x
  2. Step 2: Convert to fraction form
    404,484.38/558,222.54 = 234,707.58/x
  3. Step 3: Cross multiply
    404,484.38x = 558,222.54 × 234,707.58
  4. Step 4: Simplify right side
    404,484.38x = 131,019,061,464.85
  5. Step 5: Solve for x
    x = 131,019,061,464.85/404,484.38
  6. Step 6: Final answer
    x = 323,916.24

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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.