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Finding the Fourth Proportional to 458,688.65, 633,011.38 and 254,740.52

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Solution

The fourth proportional to 458,688.65, 633,011.38 and 254,740.52 is: 351,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,688.65 : 633,011.38 = 254,740.52 : x
  2. Step 2: Convert to fraction form
    458,688.65/633,011.38 = 254,740.52/x
  3. Step 3: Cross multiply
    458,688.65x = 633,011.38 × 254,740.52
  4. Step 4: Simplify right side
    458,688.65x = 161,253,644,305.21
  5. Step 5: Solve for x
    x = 161,253,644,305.21/458,688.65
  6. Step 6: Final answer
    x = 351,553.60

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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.