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Finding the Fourth Proportional to 467,913.93, 702,264.56 and 438,389.43

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Solution

The fourth proportional to 467,913.93, 702,264.56 and 438,389.43 is: 657,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,913.93 : 702,264.56 = 438,389.43 : x
  2. Step 2: Convert to fraction form
    467,913.93/702,264.56 = 438,389.43/x
  3. Step 3: Cross multiply
    467,913.93x = 702,264.56 × 438,389.43
  4. Step 4: Simplify right side
    467,913.93x = 307,865,357,975.65
  5. Step 5: Solve for x
    x = 307,865,357,975.65/467,913.93
  6. Step 6: Final answer
    x = 657,952.97

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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.