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Finding the Fourth Proportional to 332,667.71, 459,085.82 and 189,428.32

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Solution

The fourth proportional to 332,667.71, 459,085.82 and 189,428.32 is: 261,413.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,667.71 : 459,085.82 = 189,428.32 : x
  2. Step 2: Convert to fraction form
    332,667.71/459,085.82 = 189,428.32/x
  3. Step 3: Cross multiply
    332,667.71x = 459,085.82 × 189,428.32
  4. Step 4: Simplify right side
    332,667.71x = 86,963,855,618.42
  5. Step 5: Solve for x
    x = 86,963,855,618.42/332,667.71
  6. Step 6: Final answer
    x = 261,413.58

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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.