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Finding the Fourth Proportional to 489,131.80, 732,822.90 and 301,924.60

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Solution

The fourth proportional to 489,131.80, 732,822.90 and 301,924.60 is: 452,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,131.80 : 732,822.90 = 301,924.60 : x
  2. Step 2: Convert to fraction form
    489,131.80/732,822.90 = 301,924.60/x
  3. Step 3: Cross multiply
    489,131.80x = 732,822.90 × 301,924.60
  4. Step 4: Simplify right side
    489,131.80x = 221,257,260,953.34
  5. Step 5: Solve for x
    x = 221,257,260,953.34/489,131.80
  6. Step 6: Final answer
    x = 452,346.92

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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.