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Finding the Fourth Proportional to 469,850.24, 648,393.66 and 254,990.25

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Solution

The fourth proportional to 469,850.24, 648,393.66 and 254,990.25 is: 351,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,850.24 : 648,393.66 = 254,990.25 : x
  2. Step 2: Convert to fraction form
    469,850.24/648,393.66 = 254,990.25/x
  3. Step 3: Cross multiply
    469,850.24x = 648,393.66 × 254,990.25
  4. Step 4: Simplify right side
    469,850.24x = 165,334,061,461.82
  5. Step 5: Solve for x
    x = 165,334,061,461.82/469,850.24
  6. Step 6: Final answer
    x = 351,886.72

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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.