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Finding the Fourth Proportional to 454,490.84, 628,331.10 and 341,116.76

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Solution

The fourth proportional to 454,490.84, 628,331.10 and 341,116.76 is: 471,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,490.84 : 628,331.10 = 341,116.76 : x
  2. Step 2: Convert to fraction form
    454,490.84/628,331.10 = 341,116.76/x
  3. Step 3: Cross multiply
    454,490.84x = 628,331.10 × 341,116.76
  4. Step 4: Simplify right side
    454,490.84x = 214,334,269,039.24
  5. Step 5: Solve for x
    x = 214,334,269,039.24/454,490.84
  6. Step 6: Final answer
    x = 471,592.05

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Double scale
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Similar ratio
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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.