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Finding the Fourth Proportional to 326,352.12, 489,395.32 and 101,637.08

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Solution

The fourth proportional to 326,352.12, 489,395.32 and 101,637.08 is: 152,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,352.12 : 489,395.32 = 101,637.08 : x
  2. Step 2: Convert to fraction form
    326,352.12/489,395.32 = 101,637.08/x
  3. Step 3: Cross multiply
    326,352.12x = 489,395.32 × 101,637.08
  4. Step 4: Simplify right side
    326,352.12x = 49,740,711,290.47
  5. Step 5: Solve for x
    x = 49,740,711,290.47/326,352.12
  6. Step 6: Final answer
    x = 152,414.24

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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.