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Finding the Fourth Proportional to 460,937.48, 635,867.62 and 308,013.21

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Solution

The fourth proportional to 460,937.48, 635,867.62 and 308,013.21 is: 424,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,937.48 : 635,867.62 = 308,013.21 : x
  2. Step 2: Convert to fraction form
    460,937.48/635,867.62 = 308,013.21/x
  3. Step 3: Cross multiply
    460,937.48x = 635,867.62 × 308,013.21
  4. Step 4: Simplify right side
    460,937.48x = 195,855,626,001.23
  5. Step 5: Solve for x
    x = 195,855,626,001.23/460,937.48
  6. Step 6: Final answer
    x = 424,907.14

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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.