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Finding the Fourth Proportional to 456,482.10, 684,723.15 and 297,851.70

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Solution

The fourth proportional to 456,482.10, 684,723.15 and 297,851.70 is: 446,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,482.10 : 684,723.15 = 297,851.70 : x
  2. Step 2: Convert to fraction form
    456,482.10/684,723.15 = 297,851.70/x
  3. Step 3: Cross multiply
    456,482.10x = 684,723.15 × 297,851.70
  4. Step 4: Simplify right side
    456,482.10x = 203,945,954,256.86
  5. Step 5: Solve for x
    x = 203,945,954,256.86/456,482.10
  6. Step 6: Final answer
    x = 446,777.55

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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.