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Finding the Fourth Proportional to 456,101.10, 684,151.65 and 306,801.90

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Solution

The fourth proportional to 456,101.10, 684,151.65 and 306,801.90 is: 460,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,101.10 : 684,151.65 = 306,801.90 : x
  2. Step 2: Convert to fraction form
    456,101.10/684,151.65 = 306,801.90/x
  3. Step 3: Cross multiply
    456,101.10x = 684,151.65 × 306,801.90
  4. Step 4: Simplify right side
    456,101.10x = 209,899,026,108.14
  5. Step 5: Solve for x
    x = 209,899,026,108.14/456,101.10
  6. Step 6: Final answer
    x = 460,202.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.