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Finding the Fourth Proportional to 496,424.90, 685,069.35 and 270,072.02

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Solution

The fourth proportional to 496,424.90, 685,069.35 and 270,072.02 is: 372,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,424.90 : 685,069.35 = 270,072.02 : x
  2. Step 2: Convert to fraction form
    496,424.90/685,069.35 = 270,072.02/x
  3. Step 3: Cross multiply
    496,424.90x = 685,069.35 × 270,072.02
  4. Step 4: Simplify right side
    496,424.90x = 185,018,063,894.49
  5. Step 5: Solve for x
    x = 185,018,063,894.49/496,424.90
  6. Step 6: Final answer
    x = 372,701.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.