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Finding the Fourth Proportional to 326,034.21, 489,053.00 and 148,417.01

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Solution

The fourth proportional to 326,034.21, 489,053.00 and 148,417.01 is: 222,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,034.21 : 489,053.00 = 148,417.01 : x
  2. Step 2: Convert to fraction form
    326,034.21/489,053.00 = 148,417.01/x
  3. Step 3: Cross multiply
    326,034.21x = 489,053.00 × 148,417.01
  4. Step 4: Simplify right side
    326,034.21x = 72,583,781,917.31
  5. Step 5: Solve for x
    x = 72,583,781,917.31/326,034.21
  6. Step 6: Final answer
    x = 222,626.28

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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.