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Finding the Fourth Proportional to 372,535.84, 513,484.58 and 263,499.31

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Solution

The fourth proportional to 372,535.84, 513,484.58 and 263,499.31 is: 363,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,535.84 : 513,484.58 = 263,499.31 : x
  2. Step 2: Convert to fraction form
    372,535.84/513,484.58 = 263,499.31/x
  3. Step 3: Cross multiply
    372,535.84x = 513,484.58 × 263,499.31
  4. Step 4: Simplify right side
    372,535.84x = 135,302,828,640.72
  5. Step 5: Solve for x
    x = 135,302,828,640.72/372,535.84
  6. Step 6: Final answer
    x = 363,194.13

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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.