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Finding the Fourth Proportional to 326,338.32, 489,654.32 and 176,403.04

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Solution

The fourth proportional to 326,338.32, 489,654.32 and 176,403.04 is: 264,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,338.32 : 489,654.32 = 176,403.04 : x
  2. Step 2: Convert to fraction form
    326,338.32/489,654.32 = 176,403.04/x
  3. Step 3: Cross multiply
    326,338.32x = 489,654.32 × 176,403.04
  4. Step 4: Simplify right side
    326,338.32x = 86,376,510,597.13
  5. Step 5: Solve for x
    x = 86,376,510,597.13/326,338.32
  6. Step 6: Final answer
    x = 264,683.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.