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Finding the Fourth Proportional to 369,570.60, 554,355.90 and 329,712.53

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Solution

The fourth proportional to 369,570.60, 554,355.90 and 329,712.53 is: 494,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,570.60 : 554,355.90 = 329,712.53 : x
  2. Step 2: Convert to fraction form
    369,570.60/554,355.90 = 329,712.53/x
  3. Step 3: Cross multiply
    369,570.60x = 554,355.90 × 329,712.53
  4. Step 4: Simplify right side
    369,570.60x = 182,778,083,537.65
  5. Step 5: Solve for x
    x = 182,778,083,537.65/369,570.60
  6. Step 6: Final answer
    x = 494,568.79

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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.