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Finding the Fourth Proportional to 578,732.51, 798,453.86 and 336,963.92

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Solution

The fourth proportional to 578,732.51, 798,453.86 and 336,963.92 is: 464,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,732.51 : 798,453.86 = 336,963.92 : x
  2. Step 2: Convert to fraction form
    578,732.51/798,453.86 = 336,963.92/x
  3. Step 3: Cross multiply
    578,732.51x = 798,453.86 × 336,963.92
  4. Step 4: Simplify right side
    578,732.51x = 269,050,136,927.64
  5. Step 5: Solve for x
    x = 269,050,136,927.64/578,732.51
  6. Step 6: Final answer
    x = 464,895.49

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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.