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Finding the Fourth Proportional to 458,628.94, 632,929.00 and 254,680.65

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Solution

The fourth proportional to 458,628.94, 632,929.00 and 254,680.65 is: 351,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,628.94 : 632,929.00 = 254,680.65 : x
  2. Step 2: Convert to fraction form
    458,628.94/632,929.00 = 254,680.65/x
  3. Step 3: Cross multiply
    458,628.94x = 632,929.00 × 254,680.65
  4. Step 4: Simplify right side
    458,628.94x = 161,194,768,877.79
  5. Step 5: Solve for x
    x = 161,194,768,877.79/458,628.94
  6. Step 6: Final answer
    x = 351,471.00

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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.