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Finding the Fourth Proportional to 496,425.41, 685,070.04 and 270,072.53

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Solution

The fourth proportional to 496,425.41, 685,070.04 and 270,072.53 is: 372,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,425.41 : 685,070.04 = 270,072.53 : x
  2. Step 2: Convert to fraction form
    496,425.41/685,070.04 = 270,072.53/x
  3. Step 3: Cross multiply
    496,425.41x = 685,070.04 × 270,072.53
  4. Step 4: Simplify right side
    496,425.41x = 185,018,594,154.29
  5. Step 5: Solve for x
    x = 185,018,594,154.29/496,425.41
  6. Step 6: Final answer
    x = 372,701.70

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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.