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Finding the Fourth Proportional to 326,897.44, 489,432.62 and 176,599.28

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Solution

The fourth proportional to 326,897.44, 489,432.62 and 176,599.28 is: 264,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,897.44 : 489,432.62 = 176,599.28 : x
  2. Step 2: Convert to fraction form
    326,897.44/489,432.62 = 176,599.28/x
  3. Step 3: Cross multiply
    326,897.44x = 489,432.62 × 176,599.28
  4. Step 4: Simplify right side
    326,897.44x = 86,433,448,300.51
  5. Step 5: Solve for x
    x = 86,433,448,300.51/326,897.44
  6. Step 6: Final answer
    x = 264,405.40

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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.