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Finding the Fourth Proportional to 514,475.39, 771,934.53 and 248,435.03

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Solution

The fourth proportional to 514,475.39, 771,934.53 and 248,435.03 is: 372,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,475.39 : 771,934.53 = 248,435.03 : x
  2. Step 2: Convert to fraction form
    514,475.39/771,934.53 = 248,435.03/x
  3. Step 3: Cross multiply
    514,475.39x = 771,934.53 × 248,435.03
  4. Step 4: Simplify right side
    514,475.39x = 191,775,578,118.59
  5. Step 5: Solve for x
    x = 191,775,578,118.59/514,475.39
  6. Step 6: Final answer
    x = 372,759.48

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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.