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Finding the Fourth Proportional to 489,029.90, 732,560.70 and 329,597.60

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Solution

The fourth proportional to 489,029.90, 732,560.70 and 329,597.60 is: 493,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,029.90 : 732,560.70 = 329,597.60 : x
  2. Step 2: Convert to fraction form
    489,029.90/732,560.70 = 329,597.60/x
  3. Step 3: Cross multiply
    489,029.90x = 732,560.70 × 329,597.60
  4. Step 4: Simplify right side
    489,029.90x = 241,450,248,574.32
  5. Step 5: Solve for x
    x = 241,450,248,574.32/489,029.90
  6. Step 6: Final answer
    x = 493,733.10

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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.