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Finding the Fourth Proportional to 458,731.38, 633,013.02 and 254,762.58

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Solution

The fourth proportional to 458,731.38, 633,013.02 and 254,762.58 is: 351,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,731.38 : 633,013.02 = 254,762.58 : x
  2. Step 2: Convert to fraction form
    458,731.38/633,013.02 = 254,762.58/x
  3. Step 3: Cross multiply
    458,731.38x = 633,013.02 × 254,762.58
  4. Step 4: Simplify right side
    458,731.38x = 161,268,030,148.79
  5. Step 5: Solve for x
    x = 161,268,030,148.79/458,731.38
  6. Step 6: Final answer
    x = 351,552.21

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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.