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Finding the Fourth Proportional to 404,424.54, 558,155.29 and 232,342.19

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Solution

The fourth proportional to 404,424.54, 558,155.29 and 232,342.19 is: 320,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,424.54 : 558,155.29 = 232,342.19 : x
  2. Step 2: Convert to fraction form
    404,424.54/558,155.29 = 232,342.19/x
  3. Step 3: Cross multiply
    404,424.54x = 558,155.29 × 232,342.19
  4. Step 4: Simplify right side
    404,424.54x = 129,683,019,938.34
  5. Step 5: Solve for x
    x = 129,683,019,938.34/404,424.54
  6. Step 6: Final answer
    x = 320,660.61

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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.