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Finding the Fourth Proportional to 458,666.73, 632,981.09 and 254,718.55

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Solution

The fourth proportional to 458,666.73, 632,981.09 and 254,718.55 is: 351,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,666.73 : 632,981.09 = 254,718.55 : x
  2. Step 2: Convert to fraction form
    458,666.73/632,981.09 = 254,718.55/x
  3. Step 3: Cross multiply
    458,666.73x = 632,981.09 × 254,718.55
  4. Step 4: Simplify right side
    458,666.73x = 161,232,025,422.22
  5. Step 5: Solve for x
    x = 161,232,025,422.22/458,666.73
  6. Step 6: Final answer
    x = 351,523.26

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1.5x scale

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.