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Finding the Fourth Proportional to 372,993.90, 559,494.70 and 298,587

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Solution

The fourth proportional to 372,993.90, 559,494.70 and 298,587 is: 447,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,993.90 : 559,494.70 = 298,587 : x
  2. Step 2: Convert to fraction form
    372,993.90/559,494.70 = 298,587/x
  3. Step 3: Cross multiply
    372,993.90x = 559,494.70 × 298,587
  4. Step 4: Simplify right side
    372,993.90x = 167,057,843,988.90
  5. Step 5: Solve for x
    x = 167,057,843,988.90/372,993.90
  6. Step 6: Final answer
    x = 447,883.58

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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.